A small square loop of wire of side l is placed inside a large square loop of wire of…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
A small square loop of wire of side l is placed inside a large square loop of wire of side L(L>>l). The loops are coplanar and their centres coincide. The mutual inductance of the system is proportional to :
- l/L
- l2/L
- l/l
- l2/l
Answer
(B) l 2 /L
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