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Fuse

A filament of...

Question

A filament of low melting point metal/alloy is used in-

A

Electric bulb

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B

Fuse

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C

Electric iron

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D

Room heater

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Solution

The correct option is A Fuse
A fuse wire has low resistance and low melting point. Low resistance because only then maximum current will pass through it and low melting point so that when high current is drawn, it melts and circuit remains protected.

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