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Solution - Obtain the Expression for Mutual Inductance of a Pair of Long Coaxial Solenoids - Solenoid and the Toroid - the Solenoid

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Question

Obtain the expression for mutual inductance of a pair of long coaxial solenoids each of length l and radii r1 and r2 (r2 >> r1). Total number of turns in the two solenoids are N1 and N2, respectively.

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