Engine 2014: Electricity

1. A a circuit breaker melts and must be replaced, a fuse does neither
2. B a circuit breaker is enclosed in a tube of insulating material with metal ferrules at each end, a fuse is not
3. C a circuit breaker gives no visual indication of having opened the circuit, a fuse universally does
4. D a circuit breaker trips to break the circuit and may be reset, a fuse may not be reset

Tip: press A-D to answer