Answer / abhishek ranjan

it is used in overhead line.when some unconditional current
occur in transmission line then circuit will break.
after removel of unacceptable current ckt. will
joint.

Answer / ashish vohra

A Breaker is used to protect the electrical network in a
fault condition. In case of fault protection relay
actualtes the trip coil of the circuit breaker which opens
the breaker contacts and isolate the faulty section o the
network

Answer / chudasama hardik

a braker is the protaction device in to the ckt and when
unconditional current will flow in to the ckt so ckt will
be brak by braker. and also during the brek time arc will
be quench by the breaker by it's phinomima and produce
insulation meaduen bet'n two contects and also prevent the
produce recovery voltage bet'n two contacts.

Answer / sanjana singh

circuit breaker carry current under normal condition. and trip or break the circuit under abnormal condition.

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