Physics · Chemical Effects of Electric Current

The working principle of an electrical fuse is that it:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Gets heated but does not melt under high current
2Never breaks the circuit in case of a short circuit
3Gets heated quickly and melts to break the circuit✓
4Does not get heated when excess current flows

Correct answer

Gets heated quickly and melts to break the circuit

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