The number of turns of the primary and secondary of a transformer are 500 and 5000 respectively. The primary is connected to a 20 V, 50Hz ac supply. The output of the secondary will be
A. 2V,50Hz
B. 200 V,50 Hz
C. 200V,5 Hz
D. 200V,500Hz

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Correct Answer - B
Output voltage `=20times5000/500=200V`, the frequency will not change.

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