For a heater rated at $4.4 k W, 220 V$ . Calculate the current drawn by the heater.

40 A

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20 A

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12.6 A

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0 A

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Solution

The correct option is B $20 A$
Given:
$V = 220$ volts
$P = 4.4 k W = 4400 W$

Since, $P = V I$
Current drawn by heater $I = \frac{P}{V} = \frac{4400}{220} = 20 A$

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