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ExamsNEETPhysics

Fuse wire is a wire of

  1. low resistance and high melting point
  2. high resistance and high melting point
  3. high resistance and low melting point
  4. low resistance and low melting point

Correct answer: high resistance and low melting point

Solution

Fuse wires are designed to melt and break the circuit when excessive current flows. This requires a high resistance to generate heat and a low melting point to melt quickly.

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