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+1 vote
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in Physics by (121k points)
The coils of a step down transformer have `500` and `5000` turns. In the primary coil an ac of `4` ampere at `2200` volts is sent. The value of the current and potential difference in the secondary coil will be.(Assume `100%` efficiency for the transformer)
A. 20A, 220 V
B. 0.4 A, 22000 V
C. 40 A, 220 V
D. 40 A, 22000 V

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1 Answer

0 votes
by (121k points)
Correct Answer - C

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