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A uniform metallic wire of lenght L is m...

A uniform metallic wire of lenght L is mounted in two configurations. In configuration I (triangle), it is an equilateral triangle and a voltage V is applied to corners A and B. In configuration 2 (circle), it is bent in the form of a circle, and the potential v is applied at diameterically opposite points P and Q. The ratio of the power dissipated in configuration 1 to configuration 2 is.

A

`2//3`

B

`9//8`

C

`5//4`

D

`7//8`

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The correct Answer is:
B
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