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EMF in Physics MCQ App Download & e-Book PDF - 485

MCQ 485:

Back EMF is 120 V when motor is turning at 1680 revs per min. The back EMF when motor rotates at 3360 revs per min, will be

  1. 220 V
  2. 240 V
  3. 260 V
  4. 280 V

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EMF in Physics App (Android & iOS)

EMF in Physics App (Android & iOS)

College Physics App (Android & iOS)

College Physics App (iOS & Android)

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A Level Physics App (Android & iOS)

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10th Grade Physics App (iOS & Android)