The fuse blows off by___________?

Correct answer: C. melting

  • A. burning
  • B. arcing
  • C. melting
  • D. none of the above

Explanation

A fuse element is designed to heat up under excessive current until it reaches its melting point and opens the circuit. Arcing can occur after separation, but it is not the normal mechanism that blows the fuse.

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