Question

Q.3). Give Reason


(1) Electric wire are always insulated.

(2) usually copper wires are used in electric circuits.




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Answer 1

Answer:

Electric wires are always insulted in order to prevent recieving any shock if the wires are touched as insulators are poor conducted of electricity and copper are used in electrical circuits as they are good conductors of electricity and provide efficient electricity supply without. much loss of energy