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A small loop of area 10 mm² is placed inside a long solenoid that has 780 turns/cm and carries a sinusoidally varying current i of amplitude 1.4 A and angular frequency 240 rad/s. The central axes of the loop and solenoid coincide. What is the amplitude of the emf induced in the loop?

A small loop of area 10 mm² is placed inside a long solenoid that has 780 turns/cm and carries a sinusoidally varying current i of amplitude 1.4 A and angular frequency 240 rad/s. The central axes of the loop and solenoid coincide. What is the amplitude of the emf induced in the loop?

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A small loop of area 10 mm2 is placed inside a long solenoid that has 780 turns/cm and carries a sinusoidally varying current i of amplitude 1.4 A and angular frequency 240 rad/s. The central axes of the loop and solenoid coincide. What is the amplitude of the emf induced in the loop? 01 0₂; O=B*A*Cose = EMF = Nd/dt N-d Cos(wt) (EMF = -; take the derivative; for max EMF Sin(wt) = 1:) dt d (BA) ¸d(πr²) _. dr d B dt BAA -2arB- dt dt dt dt = Aμ ni w Em ε = BLv: -B- ==
Transcribed Image Text:A small loop of area 10 mm2 is placed inside a long solenoid that has 780 turns/cm and carries a sinusoidally varying current i of amplitude 1.4 A and angular frequency 240 rad/s. The central axes of the loop and solenoid coincide. What is the amplitude of the emf induced in the loop? 01 0₂; O=B*A*Cose = EMF = Nd/dt N-d Cos(wt) (EMF = -; take the derivative; for max EMF Sin(wt) = 1:) dt d (BA) ¸d(πr²) _. dr d B dt BAA -2arB- dt dt dt dt = Aμ ni w Em ε = BLv: -B- ==
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