A step-up transformer operates on a 230 V line with a load current of 2 A. The ratio of primary to secondary windings is 1:25. Then the current in the primary is: - DASH

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Question

A step-up transformer operates on a 230 V line with a load current of 2 A. The ratio of primary to secondary windings is 1:25. Then the current in the primary is:

25 A

50 A

15 A

12.5 A

Solution

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