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Two uniform wires A and B are of same me...

Two uniform wires A and B are of same 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

`1 : 1`

B

`1 : 2`

C

`1 : 4`

D

`1 : 8`

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The correct Answer is:
B
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