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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.

Question

An overload causes a thin metal element to break the circuit. Which concept is being demonstrated?

  1. current
  2. fuse
  3. transformer
  4. diode
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.