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A resistance coil of `60 omega` is immersed in 42 kg of water. A current of 7 A is passed through it. The rise in temperature of water per minutes is

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A resistance coil of `60 omega` is immersed in 42 kg of water. A current of 7 A is passed through it. The rise in temperature of water per minutes is :
A. `4^(@)C`
B. `8^(@)C`
C. `1.3^(@)C`
D. `12^(@)C`
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1 Answer

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Correct Answer - C
`JQ=i^(2)Rt,mSDeltat=i^(2)Rt`
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