Questions – Answers

Electrical and Electronics Engineering Interview Questions and Answers

Difference Between NPN and PNP Transistor

What is the Main Differences between NPN & PNP Transistor? Transistors are the most abundantly used component in electronic devices. Transistors are mainly divided into two subtypes i.e. Bipolar Junction…
Read More »

Difference Between DIAC and TRIAC

Main Differences Between DIAC & TRIAC Regulating and controlling of the power supplied to a load is very important in order to reduce the wasting of energy and efficiently use…
Read More »
What is The Difference Between Transistor & Thyristor (SCR)?

Key Differences between Transistor and Thyristor “SCR” Switches are very extensively used in electrical and electronics engineering. Transistor and thyristor are both solid-state devices made of semiconductor material i.e. P-Type…
Read More »

Difference between Electric Field and Magnetic Field

What is the Difference between Electric Field & Magnetic Field? The electric field and magnetic field are both fundamentals of electrical and electronics engineering. The electric field is the area…
Read More »
Difference between Electron Current and Conventional Current

What is the Difference between Conventional Current and Electron Current? The electrical & electronics engineering is the study that revolves around the electric current. Electric current can be classified into…
Read More »
kVA to Amps Calculator – How to Convert kVA to Amps?

How to Convert kVA to Amps? Calculator and Examples kVA to Amps Calculator The following kVA to Amps conversion calculator will convert the apparent power “S” (i.e. kilovolt amperes or…
Read More »
Amps to kVA Calculator – How to Convert Amps to kVA?

How to Convert Amps to kVA – Calculator and Examples Amps to kVA Calculator The following Amps to KVA conversion calculator will convert the current “I” in amperes “A” to…
Read More »

What is Electrical Energy? Its Unit, Formula & Applications

Electrical Energy, Its Unit, Formula and Applications What is Energy? Energy is the capacity for doing work or the ability to do some work is known as energy. Energy exists…
Read More »
Why Does the Heating Element Glow but Not the Cord of Heater?

Why Does the Heating Element Glow While the Cord of the Heater Doesn’t? It is a matter of common experience when the element of the heater connects to the electric…
Read More »
What is Joule’s Law and Heating Effect of Current

Joule’s Law – Joule Effect or Heating Effect of Current and its Applications An English physicist James Prescott Joule discovered the Joules’ law (also known as Joel’s effect, Joule-Lenz law…
Read More »