Physics · Electromagnetic Induction
Two concentric circular coils having radii r1 and r2 (where r2 << r1) are placed co-axially with centers coinciding. Assuming both coils have a single turn, the mutual inductance (M) of the arrangement is given by: (where μ0 is the permeability of free space)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1μ0 π r222r1✓
- 2μ0 π r22r1
- 3μ0 π r22r12
- 4μ0 π r2r1
Correct answer
μ0 π r222r1
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