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Question

What is immaterial for an electric fuse?

A
Its length
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B
Its radius
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C
Its specific resistance
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D
Current flowing through it
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Solution

The correct option is A Its length
Its length is immaterial for an electric fuse fuse is used to avoid danger due to high current if high current is passed through the fuse it burns and disconnect the power supply the thickness of fuse determines how much current can be pass hence fuse of any length can be used but it's thickness should be proper

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