What happens when a fuse blows or a circuit breaker trips in a control circuit?

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Multiple Choice

What happens when a fuse blows or a circuit breaker trips in a control circuit?

Protective devices interrupt current when something goes wrong to prevent damage. When a fuse blows or a circuit breaker trips, the conducting path is opened, breaking the circuit and stopping current flow. With the circuit opened, the load loses power and current ceases, even though the source may still have voltage on the supply side. A fuse provides a one-time open by melting its link and must be replaced, while a circuit breaker trips and can be reset after the fault is cleared. The voltage does not increase as a result of opening the circuit; it simply stops delivering current to the load. This is why the outcome is that the circuit is opened to stop current flow.

Protective devices interrupt current when something goes wrong to prevent damage. When a fuse blows or a circuit breaker trips, the conducting path is opened, breaking the circuit and stopping current flow. With the circuit opened, the load loses power and current ceases, even though the source may still have voltage on the supply side. A fuse provides a one-time open by melting its link and must be replaced, while a circuit breaker trips and can be reset after the fault is cleared. The voltage does not increase as a result of opening the circuit; it simply stops delivering current to the load. This is why the outcome is that the circuit is opened to stop current flow.

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