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A 6A fuse wire can withstand a maximum p...

A 6A fuse wire can withstand a maximum power of 18W in circuit . The resistance of the fuse wire is

A

`0.2Omega`

B

`0.5Omega`

C

`0.4Omega`

D

`5Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
Use `P=i^2R`
`18=(6)^2R`
`R=18/36=0.5Omega`
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