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For a fuse, higher the current rating ______ is the fuse wire.

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Question

For a fuse, higher the current rating ______ is the fuse wire.

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Solution

For a fuse, higher the current rating, thicker is the fuse wire.

Explanation:

A thicker fuse wire has a larger cross-sectional area and lower resistance. Hence, it can carry a higher current without melting. Therefore, a fuse with a higher current rating has a thicker wire.

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Chapter 4: Electricity and Magnetism - Frequently Asked Questions in Board Examination [Page 282]

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Frank Physics Part 2 [English] Class 10 ICSE
Chapter 4 Electricity and Magnetism
Frequently Asked Questions in Board Examination | Q 2. (a) | Page 282
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