Question

What is short circuiting ?state on factor/ condition that can lead to it

Answer 1

Situation in which live and neutral wire come in direct contact, abruptly increasing the current in the circuit is called short–circuiting. 1 Factor – Insulation of wire is damaged / fault in appliance.

Safety device – Electric fuse.

Electric fuse is an application of Joule’s heating. If there is a current larger than the specified value the temperature of fuse wire increases and it melts to break the electric circuit and stop the flow of unduly high electric current

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