Full form of M.C.B is:

Minimum current breaker

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Miniature circuit breaker

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Miniature current breaker

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Minimum circuit breaker

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Solution

The correct option is B Miniature circuit breaker
M.C.B stands for Miniature circuit breaker. It is a safety device installed in live wire of a circuit. It breaks off the circuit if excessive current enters through live wire, thus preventing the appliances from damage.

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Similar questions

Miniature Circuit Breaker or MCB is also known as___

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

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