Engineering Board Exam Reviewer · Physics · medium
A 0.5 m conductor moves at 10 m/s perpendicular to a 0.4 T magnetic field. What emf is induced across its ends?
- 20.0 V
- 0.2 V
- 12.5 V
- 2.0 V
Answer
D. 2.0 V
Solution
= BLv = 0.4(0.5)(10) = 2.0 V.
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