📊 Physics
Q. Which type of current changes its direction periodically?
  • (A) Direct current
  • (B) Static current
  • (C) Alternating current
  • (D) Continuous current
✅ Correct Answer: (C) Alternating current

Explanation: Alternating current (AC) reverses its direction periodically, unlike direct current (DC).

Explanation by: Tina Singh
Alternating current (AC) reverses its direction periodically, unlike direct current (DC).

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