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A constant voltage is applied between th...

A constant voltage is applied between the two ends of a uniform metallic wire. Some heat is developed in it. The heat developed is doubled if

A

Both the length and radius of the wire are halved

B

Both the length and radius of the wire are doubled

C

the radius of the wire is doubled

D

the length of the wire are doubled

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Verified by Experts

The correct Answer is:
b
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