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MDCAT Physics QUESTION #7840
Question 1

Induced emf in 1m copper rod moving at 20 m/s perpendicular to 0.6 T field:

  • 12 V✔️
  • 19.4 V
  • 20.6 V
  • 25 V
Correct Answer Explanation

ε = Bℓv = 0.6 × 1 × 20 = 12 V.