An MCB has to be thrown away and replaced with a new one every time it switches off.

Papers Sign In Request access

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

Papers Privacy Terms Contact

Papers Sign In Request access

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

Papers Privacy Terms Contact

Miniature Circuit Breaker | PadhAiPro

Question

True/FalseMiniature Circuit Breaker

Similar Questions

In many new houses, Miniature Circuit Breakers (MCBs) are used instead of fuses. What is the main advantage of an MCB?

MCQ (Single)Electric Fuse and Its FunctionMiniature Circuit Breaker

A table fan, a bulb and a heater are all running in a house when the MCB suddenly switches OFF. Give two possible reasons and state what should be done before switching the MCB ON again.

Text

Short Circuit and Overloading

Miniature Circuit Breaker

Compare an electric fuse and a Miniature Circuit Breaker (MCB) under these heads: (a) how each one stops the current, (b) what must be done after it has acted, (c) one advantage of an MCB.

TextElectric Fuse and Its FunctionMiniature Circuit Breaker

On a cold winter evening, Priya's family switched on a room heater, an electric iron and a geyser, all from the same set of sockets in one room. Within a few minutes the MCB in the distribution board switched OFF and the room went dark. Her father switched off the heater and geyser, and then pushed the MCB lever back ON. The lights came back.

CASE_STUDIESShort Circuit and OverloadingHeating Element and Nichrome WireMiniature Circuit Breaker