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The flux through a single-turn loop falls from 0.04 Wb to 0.01 Wb in 0.3 s. What is the average induced emf?
A0.30 V
B0.01 V
C1.0 V
D0.10 V
Answer & Solution
Correct answer: D. 0.10 V
Average emf equals the flux change 0.03 Wb divided by 0.3 s, which is 0.10 V.
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