Electronics information · Difficulty 1
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Which statement best describes fuse?
- a protective device that melts and opens a circuit during excessive current
- a device that changes AC voltage through electromagnetic induction
- a component designed to conduct mainly in one direction
- the rate at which electric charge flows
Reveal answer and explanation
a protective device that melts and opens a circuit during excessive current
fuse is a protective device that melts and opens a circuit during excessive current. An overload causes a thin metal element to break the circuit.