The Easiest Way to Understand Ohm’s Law

  This picture is the easiest way that I’ve found to understand Ohm’s law. Ohm’s law describes the amount of resistance the current has to face while it travels between two points. Definition: Ohm’s law states that the current through a conductor between two points is directly proportional to the voltage across …

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Is Electrical Engineering in Demand?

electrical demand

Electrical engineering is a very broad field. Just in the electric power industry alone, there are relay protection, communications, substation, distribution and transmission engineers. This industry began around 1885 and over its history, the infrastructure has been built and rebuilt over the years. The most obvious reason for the rebuilding, …

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Different Types of Diodes and Their Applications

Dioder is a semiconductor device with two terminals, typically allowing the flow of current in one direction only. Diodes allow current to flow when the anode is positive in relation to the cathode. It is sometimes useful to summarise the different types of diode that are available. Some of the …

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7 Different Types of Pliers and Their Uses


Every Electrician has a pair of pliers in their house. But u will surprise that how many pliers exist and u are not aware of them. 1.Crimping Pliers     These pliers have the fulcrum at the far end and are used similarly to a nutcracker. Wires are fed into the …

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Electrical Service Van for Contractor

When an electrical contractor is racing against the clock to provide timely service to customers, every minute counts. As such, many contractors are equipping their electricians with a fully stocked “warehouse on wheels.”   For service contractors, vehicles can serve as rolling billboards. As such, companies must not only keep …

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What is Air Circuit Breaker? Explain two types?

Air Circuit Breaker (ACB) is an electrical device used to provide Overcurrent and short-circuit protection for electric circuits over 800 Amps to 10K Amps. These are usually used in low voltage applications below 450V. there are two types of air circuit breakers 1.Air-Break Circuit Breakers In Air-Break Circuit breaker the contact separation …

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Difference between Relay and Circuit Breaker

Fundamental difference is that Relay is a sensing device where as Circuit Breaker is a fault interrupting equipment. Relay is a protective device which senses the faulty conditions in a power system line and initiates the operation of circuit breaker to isolate the faulty part from the rest of the healthy …

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Different Types of Rotors and their Characteristics

types of rotor

As a general rule, construction of an induction motor consists essentially of two main parts : a) a stator and b) a rotor In rotor construction, there are two types of motors are coming.. Squirrel cage rotor motor Phase wound or wound rotor motor   Let’s know something about the …

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Types Of Cement Their Uses And Purposes With Examples

types of cement

Different types of cement are manufactured to meet different physical and chemical requirements for the specific purposes.   The different types of cement are as follows: Ordinary Portland Cement It is used for all general purposes and widely used for all ordinary concrete work, mortar, plaster etc. Portland Pozzolana Cement It is also …

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How do calculate cement and sand quantity in 1:6 mortar

sand quantity

The calculation of cement & sand in 1:6 is calculated in the following manner. For a Sample calculation, I will assume a 12mm thick plaster and a mix ratio of 1:6. Step-1: Calculate the volume of mortar required. I am calculating it for 1 Sqm and 12 mm thickness (Assumption). So, …

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Power Transformer vs Distribution Transformer | Electrical Darwaza

power vs distribution transformer

Power transformers are used for transmission & receiving purpose, whereas distribution transformers are used only for distribution purpose. Power transformer voltage ratio varies b/w 756 kV to 11kV. Whereas the distribution transformer voltage ratio varies b/w 33kV to 430V. Power transformers usually have higher MVA rating compare to distribution transformers. …

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Types of DC Motors | Classification of DC Motors

types of dc motor

DC motors are classified into shunt motor Series motor Compound motor The compound motor is again classified as Long shunt motor — in long shunt, the shunt field is parallel with both the armature winding and series winding. Short shunt motor- in short shunt, the shunt field is only parallel …

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Difference Between Amplitude and Frequency Modulation

AM vs FM

  The figure shown explains the difference between AM & FM. A high-frequency carrier is used in both the modulation schemes. In AM, the amplitude of the carrier signal is modulated according to the varying amplitudes of the input signal (Black color), maintaining constant frequency for the resultant AM signal …

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Difference Between Single Phase and Three Phase


Single phase and three phase are two forms of alternating current which involve a sinusoidally varying voltage or current. The single phase is used in a place where less power is required and for running the small loads. The three phases are used in large industries, factories and in the …

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Types of Current Transformer | Electrical Engineering Darwaza

Current Transformer

A current transformer is a device which produces an alternating current in its secondary which is proportional to the alternating current in its primary. A current transformer (C.T.) is used where the current is too high to measure directly, or the voltage in the primary circuit is too high, so …

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Different Transformer Testing | Electrical Engineering Darwaza

transformer testing

A power transformer is usually employed for the purpose of converting power, from one voltage to another. If it is used for converting power from a high voltage to a low voltage, it is called a step-down transformer. The conversion efficiency of a power transformer is extremely high and almost …

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Why does electrical engineering suck? | Electrical Engineering

electrical engineering sucks

No electrical engineer sucks if he definitely has ultimate interest or passion towards it. There are many students who don’t see them fit for electrical engineering. It’s because of lack of knowledge in the concerned department or lack of interest. Engineering is not just the study for 4 years. it’s …

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Lightning Arresters Types | Electrical Darwaza

Types of Lightning Arresters

The lightning arrester protects the electrical equipment from lightning. It is placed very near to the equipment and when the lightning occurs the arrester diverts the high voltage wave of lightning to the ground. The selection of arrester depends on the various factors like voltage, current, reliability, etc. The lightning …

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Types of Insulators | Electrical Engineering Facts


There are main three categories of insulator that is used as an overhead insulator: Pin Insulator Suspension Insulator Strain Insulator Pin Insulator Pin Insulator is one the youngest overhead insulator, that has a capacity up to 33 KV system. It has one part, two parts, and three parts type, which totally depends …

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Difference Between Pump and Motor | Electrical Engineering

motor vs pump

The motor is an electromechanical device, which consists of rotating conductors and magnetic field to transform electrical energy into mechanical torque. Whereas pump is a hydro-mechanical device that converts mechanical torque into hydraulic/pressure energy. Motoring action ( electric one ) obtained based on Faraday’s law of electromagnetic induction and motor …

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Different Types Of Transformer | Electrical Darwaza

transformer types

A transformer is a device working on mutual inductance principle to convert electrical energy from one voltage/ current level to another. There are different types of transformers used for different purposes. (1) POWER TRANSFORMER Laminated core Transformer Toroidal Transformer Auto transformer Variable auto transformer Induction regulator Transformer(high voltage transformer) Polyphase transformer …

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Difference between a Contactor and a Relay | Electrical Darwaza

contactor vs relay

A contractor is an electromagnetic device which is used to make or break of an electrical circuit. there is two type of contractor. power contactor. auxiliary contactor. Power contactor is used in power circuit like switch on/off of a motor capacitor. while auxiliary contactor is used to switch on or off of a control circuit. a power contactor have 3 main contacts while an auxiliary contactor has many contacts like 1no+1nc 2no+2nc ect..power contactor is generally used where we required to make and break a large current carrying circuit. The Relay …

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Top 10 skills Every Electrical Engineer Should Have | Electrical Darwaza

electrical skills

Every Electrical Engineer must have these skill if they want a successful carrier Active Learning – Understanding the implications of new information for both current and future problem-solving and decision-making. Critical Thinking – Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to …

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Difference between ELCB and MCB | Electrical Engineering Fact


There are so many differences between these two by feature and application, however, few of them are as below: 1- MCB(Miniature Circuit Breaker) is for basic protection device to limit the current and fault in a circuit whereas ELCB(Earth Leakage Circuit Breaker) is advanced one which responds only when the …

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Difference Between Stator and Rotor | Electrical Engineering Fact


The stator is an unmoving component of an electrical machine that’s going around the rotor. It’s derived from the word ‘’stationary’’ as the ‘’stator’’ implies. It contains the windings and provides mechanical support and protection for the motor.                             …

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Difference between Foundation and Footing | Civil Engineering Facts

foundation and footing

Foundations are broadly classified as : Shallow Foundations Deep Foundations According to Karl von Terzaghi, a foundation is shallow if its depth is equal to or less than its width. Foundations constructed by open excavation are also called shallow foundations. The term footing is used in conjunction with shallow foundations commonly. A footing is a foundation unit constructed …

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Pitbull Terrier Vs Rottweiler – Which is better? Comparison

pitbull dog

Comparison between  American Pit Bull Terrier and Rottweiler. We Use the tool to compare temperament, maintenance requirement size, personality, Owner Experience, Children, Barking, and Grooming.  Breed Name Rottweiler American Pit Bull Terrier General Details Breed Type Purebred Purebred Is Hypo­allergenic No No Lifespan 8-11 yrs. 12-14 yrs. Height 22-27 in. 17-20 …

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Difference between PLC and SCADA | Electrical Engineering Fact

scada vs plc

PLC is a Hardware to read the sensor (physical signal), solve the algorithm and gives the controlled output., whereas SCADA is the software which can be interfaced to PLC, to read and present the information in graphical, animated form or make a log. For example: Controlling the LEVEL is done by …

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How Inverters Work – Working principle

How inverters work. In this video, we take a look at how an inverter works to convert direct current (DC) into Alternating current (AC). Inverters are used increasingly throughout the industry as well as building services for HVAC systems to achieve precise control of AC induction motors connected to AHU …

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Careem GO Plus Rates Per KM

Careem Go is the most popular Careem car used in Pakistan. Careem GO Class is cheap as compared to GO+ and business class.There are following rates of Careem Go According to the cities of Pakistan : Karachi  For Now Starting 80 PKR and Minimum 120 PKR For Later Starting 150 PKR and …

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DOG Happy Birthday Wishes Quotes

Some people say a dog is better than the human being because they love they are loyal and unconditionally love more than anyone.Though there will always communication barrier between your best friend dog, no one can separate you apart.Express your feelings on your DOG birthday, say that you love more than then anyone else. “Nobody loves …

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#Earthhour Lights around the world go dark for Earth Hour


In Paris, the Eiffel Tower went dark. In London, a kaleidoscope of famous sites switched off their lights — Tower Bridge, Big Ben, Piccadilly Circus, the London Eye. That scene was repeated over and over across the world Saturday night: at Sydney’s Opera House; at New Delhi’s great arch; at …

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#NationalPuppyDay: Celebrating Your Puppy on National Puppy Day

Dog lovers rejoice: You now have another excuse to share pictures of your pups. Today is National Puppy Day, as declared by holiday founder Colleen Paige and thousands of Twitter users, who made #NationalPuppyDay a trending hashtag on Friday. Confused about how to celebrate this holiday? Paige, who says that she started …

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Donald Trump Life Changing Quotes

Donald Trump is the 45th and current President of the United States, in office since January 20, 2017. Before entering politics, he was a businessman and television personality.The personality of Donald Trump is totally controversially, but sometimes his vision change your life   1.No dream is too big. No challenge is too great. Nothing we want for …

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7 Common Dog Skin Problem you should Never Avoid

Skin is the most sensitive part of dog body, if your dog mood is not good or he is feeling uncomfortable then you should never ignore and take the action immediately.Sometimes skin problems are the indication of  serious health issues There are some symptoms of skin problems are as follow: 1.Fleas, mange, or mites …

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Lionel Messi Motivational Quotes


Lionel Messi is a professional football player who plays football as a Spanish club Barcelona and Argentina national team.We can learn many things from Messi life, in fact, he is the symbol of success and a great achiever. Lionel Messi Motivational Quotes About Life Success “Money is not a motivating factor. …

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Champions League is Back in a proper Model

Champions League

Ilkay Gundogan scored twice as Manchester City put one foot in the Champions League quarter-finals with a vehement 4-0 prevail upon Basel. In-shape Sergio Aguero scored his 198th City objective and Bernardo Silva likewise got on the scoresheet as Pep Guardiola’s side traveled to triumph on a solidifying night at …

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Careem Car types In Pakistan

careem cars types

Careem car service becomes very popular in all the cities of Pakistan including Karachi, Lahore, and Islamabad. Instant online booking service of Careem provides benefits for a customer and for the captains, within a second captain is on your doorstep.Basically, Careem provides 3 car types in Pakistan, GO, GO+ and …

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Careem bike service

Careem recently launched a great service in which you can share a ride on the bike. The mechanism is totally straight and identical to Careem Go and Go+ ride booking. Why its better than Careem car service?   For customers:   Its way better, cheap and fast as compared to …

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Real age of FLASH actors

  THE FLASH  – > Grant Gustin: 14 January 1990 (age 27)     Dr. Harrison Wells  (Tom Cavanagh): 26 October 1963 (age 54)   Cisco Ramon (Carlos Valdes) Born: 20 April 1989 (age 28)   Henry (Flash’s Father) (John Wesley Shipp) Born: 22 January 1955 (age 62) Danielle Panabaker …

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Who is Barry Allen(THE FLASH) of Cricket world?

  We have seen Barry Allen (The Fastest man alive in DC world) running with a speed greater than MACH 2. But who is the Fastest man of our Earth in cricket world? Trust me it’s not zoom or reverse flash 😀 Well, in our earth he is called as …

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8 Signs Of Dog Diabetes That You Should Never Ignore

Diabetes in dogs is very similar to diabetes in humans. Many of the symptoms are the same, and just like their owners, dogs with diabetes can either have type 1 diabetes or develop type 2 over time. If you have a beloved dog who isn’t acting quite the way he used to, …

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Job For Female School Teacher

  Happy palace group of schools requires English Teachers for Primary (grade 1 &. 3) and O level campus (prep I & II) Interested candidates kindly email Ur CVS at or call at 02136341394 Location : karachi NOTE : ONLY FEMALE TEACHERS ARE REQUIRED. You can visit facebook page …

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OOPS Interview Questions

Question #1 : Difference between class variables and Instance Variables?   They both are member variables, meaning that both are associated with a class. Now of course, there are differences between the two: Instance variables: These variables belong to the instance of a class, thus an object. And every instance of that …

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10 Natural Treatments and Remedies for Diabetes

Diabetes is a disease which changes the way your body uses blood sugar.There are two types of diabetes, type 1 and type 2, and each differs in the way the body uses and produces insulin. There are some natural remedies in which diabetes can be cured naturally. 1.Aloe Vera Research …

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10 Food Products You Should and Shouldn’t Eat Before going to Sleep

A good night’s sleep is important not only for your health but also to ensure that you’re in a good mood the next day. To a large extent, whether we sleep like a baby or spend all night wrestling with insomnia depends on what we eat for dinner Foods which can cause problems 1.A cheeseburger with Bacon Fast food is the enemy …

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List of jobs at Imtiaz Super Market

Imtiaz is offering JOBS !! Important Note : Please Bring CV with CNIC copy and Copy of Educational Documents (like Matric Marksheet/Matric Certificate / Intermediate Certificate) etc. (Check job post at the bottom of this page)   Walk-in interview sessions (9th October – 14th October 2017) : Come to imtiaz …

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Daraz is Asia’s fastest growing online marketplace, offering an unparalleled shopping experience in Pakistan, Bangladesh, Myanmar, Sri Lanka and Nepal. Daraz hosts a wide assortment of consumer electronics, fashion and beauty products, alongside a rapidly growing miscellany of general merchandise. Its the best and fastest growing e-commerce, which means its a great opportunity …

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How to dodge 20% of Fiverr commission?

We all love Fiverr because it’s a great place to kickstart your career of freelancing. You are happy , your clients are happy working with you. Things go well if you are working for projects under  $500 but  as soon you had to cross $500 then you become frustrated because …

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Logo Designer Required (Salary 50,000 Rupees)

Logo Designer Required: Description: A well reputed IT company is urgently looking for a creative Logo Designer to be a part of its highly professional team. Candidate must have good knowledge of Adobe Photoshop and Adobe Illustrator. Must have 2 to 3 years of experience and should be fully acquainted …

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Internship opportunity at Coca-Cola Pakistan

Coca-Cola Beverages Pakistan Limited is looking for graphic design interns to work on various projects over the course of next 3 months. Ideal candidate must be proficient in Photoshop and Illustrator. Interested candidates are requested to drop their resumes at Note : CCBL is a short form of “Coca-Cola Beverages …

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DUBAI has finally started testing out its flying TAXI

No, it’s not a dream anymore.Dubai is going really fast in techno-world and is really serious for its flying taxi’s .To book a flying taxi or Autonomous taxi you would only need to install the app from the appstore and book the ride. The process is quite similar to UBER and …

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Job At ArpaTech

Introduction : Arpatech was started in 2003 as a classic information technology service provider with the aim of delivering business solutions to customers worldwide. Today, we are stretched across four continents with offices and customers in US, UK, UAE and Pakistan. With a strong workforce of more than 250 employees, …

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Job At Imam Clinic (North Nazimbad Karachi)

Imam Clinic is located in Nazimabad, Karachi. It is one of the prominent general hospitals of the city providing all the essential medical and surgical treatments to the patients. Imam Clinic provides a complete medical solution for the patients. The number of beds of Imam Clinic includes the private and …

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38 ARKit iOS demo projects that you must check for getting started

iOS 11 introduces ARKit, a new framework that allows you to easily create unparalleled augmented reality experiences for iPhone and iPad. By blending digital objects and information with the environment around you, ARKit takes apps beyond the screen, freeing them to interact with the real world in entirely new ways. By …

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5 Latest Job Openings in Karachi

#1  Position: Financial Analyst Location:Karachi . Qualification: MBA/ ACCA Experience: At least 2 years of experience (manufacturing industry) of management reporting, taxation & audit (external & internal), reporting, consolidation and financial analysis, due diligence, feasibility reports, financial modeling and delivering presentations on MS PowerPoint to BoDs. Salary: 50,000-80,000 (subject to experience) …

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Jobs For Software Engineers

Folio3 is one the best software house in which every computer science graduate should be apply in 2017. It’s world-leading software company having expertise in mobile apps, games. Folio3 was founded by alums of  Intel and Silicon Graphics; techies from MIT; entrepreneurs from Silicon Valley; big believers in technology’s potential; bigger believers in human potential. Jobs …

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Real Age of Iron man, Captain America & Spiderman

Get yourself some cool drink, ice cream or something like that because you are about to get shocked after seeing the REAL age of your favourite Movie characters. Don’t worry, we experienced the same feeling when we googled their age. Captain America (Chris Evans): Age: 36 years   Chris Hemsworth: Age: …

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Job At Chase Value Centre-Karachi

  Chase Value Centre require Helpers for its Warehouse at Nursery Shara-e-faisal. Age: 18-30 Education: Middle to Matric. Experience in warehouse preferred. Salary: Salary 14-16K + Overtime Plus Attendance Allowance and Other Benefits. When to come: Kindly appear for Walk in Interview from Monday to Thursday at following Location: Address: …

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What’s the salary of Ronaldo?

According to Forbes, Ronaldo earned more than any other athlete on the planet in 2016 at $88m (£72m), placing joint-fourth on their list of the top 100 celebrities behind musicians Taylor Swift and One Direction and author James Patterson. Messi placed eighth, on $81.5m (£67m), and James was 11th at $77m …

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Childhood Pictures of Lionel Messi

Lionel Messi was born, 24 June 1987, in Rosario, Argentina to a working-class family. His father was a factory steel worker, and his mother a cleaner. He began playing from an early age, and his talent was soon apparent.       (Below picture) Lionel Messi with his sister Maria   Lionel …

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Two things we cannot have in dinner table

Dinner is the most important meal of the day, which can boost your energy and mood. There are two things that you can not eat for dinner. Any guess what they are? 1.Breakfast 2. Lunch   Sometimes you have to use your common sense, answer can be very simple but little bit confusing

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World XI List of players

Players that are selected for world XI are mentioned below 1.David Miller 2.Morne Morkel 3.Tim Paine 4.Thisara Perera 5.Imran Tahir 6.Darren Sammy 7.Hashim Amla 8.Grant Elliott 9.Samuel Badree bailey 11.Tamim Iqbal 12.Paul Collingwood 13.Ben Cutting 14.Faf du Plessis

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iPhone 8 Camera Specs and features predication

iPhone 8 is a great smartphone with a stylish look, it has Super AMOLED capacitive touchscreen with 1242 x 2800 pixels resolution.Ion-strengthened glass with the oleophobic coating is used for screen protection.iPhone Camera contains unique features which are discussed below  Primary camera The Rear camera has 12 Mega pixels with the focal …

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Careem Office timings and Address in Karachi

 Office Timings Monday to Saturday  9:00 am to 9:00 pm Sunday  12:00 am to 5:00 pm Careem Address Karachi Careem Office Address: 46-C Commerical Lane 11, DHA, Phase 7 Ext 2 Phone: (021) 111 227 336 Email address: Google Maps: Online Registration: 

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Job Opening at PTCL -2017

Pakistan Telecommunication Company Limited (PTCL) is one of Pakistan leading Telecom Sector Company which invites applications for various Jobs / Career Opportunities / Internships created under different departments. PTCL is a state-owned organization in partnership with Etisalat Telecommunications. PTCL maintains a leading position in Pakistan as an infrastructure provider to other …

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Job at Yamaha Pakistan- 2017

  Yamaha Motor Pakistan (YMPK) is the wholly owned Pakistani subsidiary of Yamaha Motor Company. Yamaha Motor Pakistan (Pvt.) Ltd is looking “Assistant Manager Sales & Marketing”  for Karachi & Quetta Market. Candidate should be an MBA in Marketing from a well-reputed institute with 2 to 4 years experience in Automotive industry …

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List of Restaurants in LUCKYONE Karachi

The Dining options at LuckyOne Mall will take your taste buds to storm, From Local favorites to renowned international fast food joints, continental, oriental, Chinese, Thai and Mediterranean cuisines. 1.Chacha jee                   2.KFC   3.Paramount Fine Foods           …

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Careem Registration Requirement For Captains & Vendors

There are some Requirements Which CAREEM needs to ensure company quality.Vendor and captains must have following documents in order to eligible in careem. Vendor 1.Email address 2.NIC COPY   3.Cheque Book(IBAN) 4.Car Running Paper    5.Car    Captain   1.Original CNIC 2.Computerized Driving License             …

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Apply for Canada Immigration and Citizenship

  If you are struggling your life right now then you better start applying for a job in CANADA. Canada is currently ranked the 2nd most best country to live in 2017 . Canada is economically stable , family friendly and has well-developed public health and education systems. Benefits of living …

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Job At Bank Islami (For Fresh Graduates)

Bank Islami is one the great islamic banks in Pakistan. Its branch network consists of 213 branches & sub branches spread over 80 cites of Pakistan. With the amalgamation of KASB on May 7, 2015, all 104 branches of KASB have become part of BankIslami’s branch network. BankIslami is now the …

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