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Question

# What does a 5 A rating on a fuse mean?

A
Fuse melts down if the current is less than 5 A.
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B
Fuse allows a current only equal to 5 A through it.
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C
Fuse produces energy if current is less than 5 A.
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D
Fuse melts if the current is more than 5 A.
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Solution

## The correct option is D Fuse melts if the current is more than 5 A.Fuses are used to break the circuit, once a current greater than the rating is passed through it. If a fuse is rated at 5 A, the fuse melts above a current of 5 A, hence breaking the circuit.

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