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Voltage and Current - Technical MCQs

Q1:

The basic difference between a fuse and a circuit breaker is

A a fuse is slower

B a fuse is reusable

C a circuit breaker is reusable

D a circuit breaker is more reliable

ANS:C - a circuit breaker is reusable

Circuit breaker is more reliable then fuse but it has many mechanical part which make it non reliable then fuse.