Physics
Grade-9
Easy
Question
To make a fuse withstand high current, the fuse wire
- Should be thinner
- Should be thicker
- Should be smaller
- Should be larger
Hint:
Fuse wire has a low melting point
The correct answer is: Should be thicker
Fuse wire has a low melting point. So when a high current passes through the fuse, a large amount of heat is generated and the temperature crosses the melting point of the wire.
To make a fuse withstand high current, the fuse wire should be thicker.
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