Device that disconnects supply automatically if current exceeds normal value is known as

PHYSICAL SCIENCES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	circuit breaker
B	fuse
C	cable
D	capacitor

Explanation:

Detailed explanation-1: -A Residual Current Circuit Breaker (RCCB) is an important safety measure when it comes to protection of electrical circuits. It is a current sensing device, which can automatically measure and disconnect the circuit whenever a fault occurs in the connected circuit or the current exceeds the rated sensitivity.

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