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The same mass of copper is drawn into tw...

The same mass of copper is drawn into two wires 2mm and 3mm thick,. The two wires are connected in series and current is passed through them. The ratio of heats produced in the two wires is-

A

`(9)/(4)`

B

`(3)/(2)`

C

`(2)/(3)`

D

`(81)/(16)`

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The correct Answer is:
D
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