Q. What is the frequency of ac current we use at houses?

  • (A) 25Hz
  • (B) 50Hz
  • (C) 75Hz
  • (D) 100Hz
✅ Correct Answer: (B) 50Hz

Published by Ruchi Sharma ⭐ 9.87K Points at 02-Dec-2022 07:40 am in Physics

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