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A power transmission line feeds input po...

A power transmission line feeds input power at 2300 V to a step down transformer with its primary windings having 4000 turns, giving the output power at 230 V. If the current in the primary of the transformer is 5 A, and its efficiency is 90%, the ouput current would be :

A

45 A

B

50 A

C

20 A

D

25 A

Text Solution

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The correct Answer is:
A
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