Class 9 Physics MCQs (Grade 9) From Textbook

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Class 9 Physics MCQs – Certification Test 274

Physics: Efficiency MCQs (Question 274) – Study App & e-Book Download

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MCQ: 274

(a required form of output/total input energy)×100 is equal to

  1. % power
  2. % efficiency
  3. % stress
  4. % strain

Physics: Efficiency Placement Tests – Class 9 Physics App & e-Book MCQs

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