Q. The efficiency of an ideal machine is:

  • (A) 50%
  • (B) 75%
  • (C) 100%
  • (D) 150%
✅ Correct Answer: (C) 100%
Explanation: An ideal machine has no energy loss, so its efficiency is 100%.

Published by Jyoti ⭐ 1.79K Points at 14-Jun-2026 08:47 am in Physics

Explanation by: Jyoti
An ideal machine has no energy loss, so its efficiency is 100%.

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