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Question

If 25W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is

A
25W
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B
0W
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C
250W
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D
2.5W
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Solution

The correct option is A 25W

A

An ideal transformer is an imaginary transformer which does not have any loss in it, means no core losses, copper losses and any other losses in the transformer. The efficiency of this transformer is considered as 100%.

If we applied a 25kW power in the primary of the ideal transformer we will get the same power in the secondary transformer also as there is no losses for ideal transformer.


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