State whether the following statements are true of false:

(a) A wire with a green insulation is usually the live wire.
(b) A miniature circuit breaker (MCB) works on the heating effect of current.

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Solution

(a) False
A wire with green insulation is usually the earth wire.

(b) False
A miniature circuit breaker (MCB) works on the magnetic effect of current.

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Similar questions

State whether the following statements are true or false :

(a) A wire with a green insulation is usually the live wire.

(b) A miniature circuit bearker (MCB) works on the heating effect of current.

State True or False:

A wire with green insulation is usually the live wire of an electric supply.

State whether following statements are True or False:

(a) An electric motor converts mechanical energy into electrical energy

(b) An electric generator works on principle of electromagnetic induction

(d) A wire with a green insulation is usually the live wire of an electric supply

MCB (Miniature Circuit Breakers) can be used to replace a fuse in the domestic electric circuit.

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