How much current is drawn by the primary of a transformer connected to $220 V$ supply when it delivers power to a $110 V - 550 W$ refrigerator?

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Solution

Given $V_{s} = 110$ v, $P = 550$ W
Given: $P = V_{p} I_{p}$
$I_{p} = \frac{P}{V_{p}} = \frac{550}{220} = 2.5$ A

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How much current is drawn by the primary of a transformer connected to 220 V supply when it delivers power to a 110V−550W refrigerator?

GivenVs=110v,P=550WGiven:P=VpIpIp=PVp=550220=2.5A

How much current is drawn by the primary of a transformer connected to $220 V$ supply when it delivers power to a $110 V - 550 W$ refrigerator?

Given $V_{s} = 110$ v, $P = 550$ W
Given: $P = V_{p} I_{p}$
$I_{p} = \frac{P}{V_{p}} = \frac{550}{220} = 2.5$ A