The live wire inside a room heater accidentally comes loose and touches its metallic…

PHYSICS · Multi-part · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current

Problem

The live wire inside a room heater accidentally comes loose and touches its metallic casing, which is properly connected to the earth wire. (a) Describe the change in current. (b) Name the safety device and its protective action.

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