Physics · Electromagnetic Induction
A small square loop of side 'a' and one turn is placed inside a larger square loop of side 'b' and one turn (b >> a). The two loops are coplanar with their centres coinciding. If a current I is passed in the square loop of side 'b', then the coefficient of mutual inductance between the two loops is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1μ04π × 8√2 × a2b✓
- 2μ04π × 8√2 × b2a
- 3μ04π × 8√2b
- 4μ04π × 8√2a
Correct answer
μ04π × 8√2 × a2b
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