Physics · Electromagnetic Induction
A small square loop of wire of side l is placed inside a large square loop of wire L (L >> l). Both loops are coplanar and their centres coincide at point O. The mutual inductance of the system is proportional to:
- 1Ll2
- 2l2L✓
- 3l2L2
- 4L2l
Correct answer
l2L
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