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A power transformer is used to step up a...

A power transformer is used to step up an alternating e.m.f. of `220 V` to `11kv` to trannsmit `4.4 kW` of power. If the primary coil has `1000` turns, what is the current rating of the secondary?(Assume `100%` efficiency for the transformer)

A

4A

B

0.4 A

C

0.04A

D

0.2 A

Text Solution

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The correct Answer is:
B
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