15/08/2022
22 Basic Electrical interview Questions & Answers:-
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1. What Is The Difference Between Fuse And Circuit Breaker?
Fuse:-
A fuse has a wire that melts with the heat of a short circuit or high current and interrupts the circuit. Once melted, you have to replace it.
Circuit Breaker:-
A circuit breaker interrupts the current without melting ( a pair of metal sheets with different thermal expansion coefficient, for example) and can be reset.
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2. What About Solar Electricity?
An electrical contractor can install solar panels to your property. Excess energy collected by your solar panels is fed into the electrical grid. You receive credit for power generated on your electricity bill.
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3. What is electricity ?
Electricity is a general term used for all phenomena caused by electric charge whether static or in motion.
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4. What are the types of electricity ?
There are two types
(1) static Electricity and
(2) Current Electricity.
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5. What is static electricity ?
Static electricity means electricity at rest in contradistinction to dynamic or current electricity the effects of which are purely due to the electrostatic field produced by the charge. As it is obtained by rubbing two substance such as glass and silk it is also called frictional electricity.
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6. What is current electricity ?
Current electricity means the electricity in motion the effects of which are due to the flow of electrons in a conductor.
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7. What are the types of current electricity ?
There are two types :-
(1) Direct current and
(2) Alternating current.
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8. What are the different methods of producing electricity ? Give examples.
The methods are –
i) By means of frictions- Static electri
