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When does a fuse cut off current? How does it do it?

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Question

When does a fuse cut off current? How does it do it?

Very Short Answer
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Solution

A fuse cuts off current when it exceeds safe limits, and the fuse wire starts to melt and break the circuit. This is known as a fuse cutting off current.

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Chapter 5: Magnetic Effects of Electric Current - Exercise 6 [Page 306]

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Lakhmir Singh Physics Part 1 [English] Class 10
Chapter 5 Magnetic Effects of Electric Current
Exercise 6 | Q 21. (a) | Page 306
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