Electronics information · Difficulty 2
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 term matches this description: a protective device that melts and opens a circuit during excessive current?
- transformer
- diode
- current
- fuse
Reveal answer and explanation
fuse
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.