Question

if the rate of change of magnetic flux is 10 Weber per second in 5 minutes then induced emf will be
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Answer 1

Answer:

Change n in magnetic flux Δϕ=1−10=−9 Weber

Time taken Δt=0.1 sec

So, emf induced in the coil E=−

Δt

Δϕ

⟹ E=−

0.1

(−9)

=90 Volts