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Choose correct alternative. A potentia...

Choose correct alternative.
A potential difference of 20 V is applied across the ends of a coil. The amount of heat generated in it is 800 cal/s. The value of resistance of the coil will be

A

`0.012 Omega`

B

`0.12 Omega`

C

`1.2 Omega`

D

`12 Omega`

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