A 500 W heater is designed to operate at 200 V potential difference. If it is connected across 160 V line

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A 500 W heater is designed to operate at 200 V potential difference. If it is connected across 160 V line, find the heat ( in Kj ) it will produce in 20 min.
18
Nov
A 500 W heater is designed to operate at 200 V potential difference. If it is connected across 160 V line, find the heat ( in Kj ) it will produce in 20 min. A 500 W heater is designed to operate at 200 V potential difference. If it is connected across 160 V line [...]
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