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A very long solenoid with a circular cross section and radius r1= 1.50 cm with ns=...

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Physics

A very long solenoid with a circular cross section and radiusr1= 1.50 cm with ns= 100 turns/cm lies insidea short coil of radius r2= 3.70 cm and Nc= 33turns.

If the current in the solenoid is ramped at a constant rate fromzero to Is= 2.30 A over a time interval of 72.0 ms, whatis the magnitude of the emf in the outer coil while the current inthe solenoid is changing?

What is the mutual inductance between the solenoid and the shortcoil?

Now reverse the situation. If the current in the short coil isramped up steadily from zero to Ic= 3.10 A over a timeinterval of 30.0 ms, what is the magnitude of the emf in thesolenoid while the current in the coil is changing?

Answer & Explanation Solved by verified expert
3.9 Ratings (448 Votes)
1a given for solenoid radius r1 150 cm 0015 mns 100 turnscm 10000 turnsmfor coil radiusr2 370 cm 0037 mNc 33 turnsWhen there is current    See Answer
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