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- Safety measure in using electricity: Electric fuse, earthing
State whether the following statements are true or false.
A wire with a green insulation is usually the live wire of an electric supply.
At the time of short circuit, the current in the circuit
(a) reduces substantially
(b) does not change
(c) increases heavily
(d) vary continuously
An electric oven of 2 kW is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.