Questions – Answers

Electrical and Electronics Engineering Interview Questions and Answers

Three Phase AC Circuits MCQs With Explanatory Answers

Three Phase AC Circuits (MCQs With Explanatory Answers) Three Phase AC Circuits MCQs with explanation. For explanatory answer, click on the toggle button labeled as “Check explanatory answer”. Q1. Electric…
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Main Difference Between Electrical and Electronic Engineering?

What is Main Difference Between Electrical and Electronic Engineering? Definitions of Electrical and Electronic Engineering Both are similar words that can cause a bit of confusion for newbies, but they…
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How to Calculate the Battery Charging Time & Battery Charging Current – Example

How to Calculate the Charging Time and Charging Current for Battery Charging? Easy Battery Charging Time and Battery Charging Current Formula for Batteries. (With Example of 120Ah Battery). In the…
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How to Test a Transistor using Multimeter (DMM+AVO) – NPN & PNP – 4 Ways

How to Find the Base, Collector, Emitter, Direction & Condition of Transistor by Multimeter How to remember the direction of PNP and NPN Transistor & Pin Identification, Check if it…
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What is the Role of Capacitor in AC and DC Circuit?

What is the Role of Capacitor in AC and DC Circuit? Role of Capacitor in AC Circuits: In an AC circuit, capacitor reverses its charges as the current alternates and…
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Why Does AC Need More Insulation than DC at the Same Voltage Level?

Why Does AC Voltage Require More Insulation than DC Voltage for the Same Working Voltage Level? For the same working voltage, the potential stress on the insulation is lower in…
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What is The Difference between a VOLTAMETER and a VOLTMETER?

A VOLTA-METER is a device used to carry out electrolytes and a VOLTMETER is a high resistance device used for measuring potential difference or voltage between two points in an…
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What is the Objection to have Light Bulbs & Lamps Connected in Series?

Disadvantages of Light Bulbs and Lamps Connected in Series? Series connection for household wiring like fans, switches, light bulbs etc. is not a preferred way instead of parallel or series-parallel…
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Will a D.C Shunt Motor operate on an A.C Supply?

The Shunt winding has a large number of turns so that it has appreciable inductance. When A.C is applied to a shunt motor, the large inductive reactance of shunt winding…
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What is the Difference Between Power Transformers and Distribution Transformers?

Main Difference between Power Transformer and Distribution Transformer The working principle of all transformers is the same i.e. electromagnetic induction whereas design, function, purpose of applications and winding configurations differentiate…
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