1.

What is meant by short circuit ?

Answer»

SOLUTION :(i) When a live wire comes in contact with a neutral wire, it causes a . short CIRCUIT..
(ii) This happens when the insulation of the wires get damaged due to temperature changes or some EXTERNAL FORCE.
(iii) Due to a short circuit, the effective resistance in the circuit becomes very small, which leads to the flow of a large current through the wires.
(iv) This result in heating of wires to such an extent that a fire may be CAUSED in the building.


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