A. 8V
B. 16V
C. 20V
D. 80V
Correct Answer:
Option D – 80V
Explanation
The induced voltage = time rate of change of magnetic flux
i/e E = | NΔ∅B |
Δt |
But ∅B = Magnetic Flux
= Magnetic Induction (B) x (A)
= 0.4T x 0.4m2
= 0.16 volt second
i/e E = | NΔ∅B |
Δt |
= 0.16 x 10 x 50
= 80 volts
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