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MHT CET Physics question

PhysicsAlternating CurrentMHT CET

A 220 V input is supplied to a transformer. The output circuit draws a current of 2.0 A at 440 V. If the ratio of output to input power is 0.8, then the current drawn by primary winding is [MHTCET 2019]

Answer: (B)

Solution

Output power W, input power W, so

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Question ID VK-082241