Current Electricity

Question: The heating coils rating at 220 volt and producing 50 cal/sec heat are available with the resistances $55\,\Omega ,\;110\,\Omega ,\;220\,\Omega $ and $440\,\Omega $. The heater of maximum power will be of

1) $440\,\Omega $

2) $220\,\Omega $

3) $110\,\Omega $

4) $55\,\Omega $

Solution:

Explanation: No Explanation

Heating Effect of Current Electric Power

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