A solenoid of N1 turns has length l1 and radius R1 , and a second smaller solenoid of N2 turns has length l2 and radius R2 . The smaller solenoid is placed completely inside the larger solenoid so that their long axes coincide. What is the mutual inductance of the two solenoids?

A solenoid of N1 turns has length l1 and radius R1 , and a second smaller solenoid of N2 turns has length l2 and radius R2 . The smaller solenoid is placed completely inside the larger solenoid so that their long axes coincide. What is the mutual inductance of the two solenoids?

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Question

A solenoid of N₁turns has length l₁and radius R₁, and a second smaller solenoid of N₂turns has length l₂and radius R₂. The smaller solenoid is placed completely inside the larger solenoid so that their long axes coincide. What is the mutual inductance of the two solenoids?

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