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A 5-A wire can withstand a maximum power...

A `5-A` wire can withstand a maximum power of `1W` in circuit. The resistance of the fuse wire is

A

`0.2ohm`

B

`5ohm`

C

`0.4ohm`

D

`0.04ohm`

Text Solution

Verified by Experts

The correct Answer is:
D
`P = I^(2)R . l = 25 xx R = 1/(25 Omega)`
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