The AC mains domestic supply current in India changes direction in every
- A. 50 s
- B. \frac{1}{50} s
- C. 100 s
- D. \frac{1}{100} s ✓
Correct Answer: D. \frac{1}{100} s
Explanation
The frequency of AC mains in India is 50 Hz. Since the alternating current changes its direction twice in one complete cycle, it changes direction 100 times per second, i.e., every \frac{1}{100} s.
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