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Two uniform wires A and B are of the sam...

Two uniform wires `A` and `B` are of the same total metal and have equal masses. The radius of wire `A` is twice that of wire `B`. The total resistance of `A` and `B` when connected in parallel is

A

`4Omega` when the resistance of wire A is `4.25 Omega`

B

`5Omega` the resistance of wire A is `4.25 Omega`

C

`4 Omega` when the resistance of wire B is `4.25 Omega`

D

`4 Omega` when the resistance of wire B is `4.25 Omega`

Text Solution

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The correct Answer is:
A
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ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19
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