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PhysicsJEE Main 2 Apr 2026, Shift 2·Q18·MCQ·Moderate

Electromagnetic Induction · Inductance

A circular current loop of radius R is placed inside square loop of side length L (L≫RL \gg R) such that they are co-planar and their centers coincide. The permeability of free space is μ0\mu_0. The mutual inductance between circular loop and square loop is .
  1. (1)22 μ0L2R2\sqrt2\,\dfrac{\mu_0 L^2}{R}
  2. (2)2 μ0L2R\sqrt2\,\dfrac{\mu_0 L^2}{R}
  3. (3)2 μ0R2L\sqrt2\,\dfrac{\mu_0 R^2}{L}
  4. (4)22 μ0R2L2\sqrt2\,\dfrac{\mu_0 R^2}{L}

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