For the two solenoids above, if l = 50 cm, N1 = N2 = 200 turns and r1 = 5 cm and r2 = 10 cm, the mutual inductance of the two solenoids is
I
A) 1.58 mH
B) 0.790 mH
C) 3.20 mH
D) 6.31 mH
E) None of these is correct.
Correct Answer:
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