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90. A resistance coil of 60 Ohm is immersed in 42 kg of water. A current of 7 A is passed through it. The rise in temperature of water per min is? |
| Answer» 90. A resistance coil of 60 Ohm is immersed in 42 kg of water. A current of 7 A is passed through it. The rise in temperature of water per min is? | |