AP Physics 2mediummcq1 pt
A 20-turn coil's flux changes by 0.40 Wb in 0.10 s. The induced EMF is
A.80 V
B.4.0 V
C.8.0 V
D.2.0 V
Explanation
Core Concept
ε = N ΔΦ/Δt = (20)(0.40)/0.10 = 80 V.
Correct Answer
A80 V
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