A body is placed in an insulating container at temperature 227⁰C. In order to keep its temperature at 727⁰C, power of 60 watt is required. Then power required to keep its temperature at 1227⁰C will be

Options

(a) 304 W
(b) 320 W
(c) 90 W
(d) 120 W

Correct Answer:

320 W

Explanation:

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