Question
Download Solution PDFWhat is used as a Circuit breaker?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is: 4) Resettable protective device
Explanation:
A circuit breaker is a device that interrupts the flow of electricity in an electrical circuit as a protective measure.
It operates automatically to protect the circuit from damage caused by overcurrent or short circuits.
After tripping, it can be manually or automatically reset to restore normal operation.
Other Options:
Fuse:
A fuse is a protective device that also interrupts the circuit during an overload.
It cannot be reset once it blows and must be replaced.
Resistor:
A resistor is an electrical component that limits or regulates the flow of electrical current in a circuit.
It is not used as a protective device.
Switch:
A switch is a mechanical device used to manually open or close a circuit.
It is not an automatic protective device like a circuit breaker.
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