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A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed (approximatel…

Q1

A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed (approximately)?

a

121 W

b

331 W

c

200 W

d

400 W

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