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Two coils have a mutual inductance 0.005 H. The current changes in the first coil according to equation $I = I_{0} \sin ω t,$ where $I_{0} = 10 A and ω = 100 π radian / s$ The maximum value of e.m.f. in the second coil is

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detailed solution

Correct option is B

e=Mdidt=0.005×ddtI0sin ωt=0.005×I0ωcos ωt∴emax=0.005×10×100π=5π(∴ cos ωt=1)

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Two coils have a mutual inductance 0.005 H. The current changes in the first coil according to equation I=I0sin ωt, where I0=10A and ω=100π radian /s The maximum value of e.m.f. in the second coil is

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Ready to Test Your Skills?

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Two coils have a mutual inductance 0.005 H. The current changes in the first coil according to equation $I = I_{0} \sin ω t,$ where $I_{0} = 10 A and ω = 100 π radian / s$ The maximum value of e.m.f. in the second coil is