In the formula M = (µ₀πr₁²)/(2r₂), what does r₁ represent? - ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS Quiz | GKFix.in

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Question

In the formula M = (µ₀πr₁²)/(2r₂), what does r₁ represent?

A. Radius of the larger coil
B. Length of the solenoid
C. Radius of the smaller coil
D. Distance between centers