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प्रश्न
The frequency of alternating current (a.c.) supply in India is ______.
विकल्प
0 Hz
50 Hz
60 Hz
100 Hz
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उत्तर
The frequency of alternating current (a.c.) supply in India is 50 Hz.
Explanation:
In India, the standard domestic power grid supplies electricity that alternates or completes 50 full cycles per second (Hertz).
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