JEE Advanced2012PhysicsElectromagnetic InductionActual
A circular wire loop of radius R is placed in the x-y plane centered at the origin O . A square loop of side a(a The plane of the square loop makes an angle of 45^ with respect to the z -axis. If the mutual inductance between the loops is given by ₀ a² 2^ p / 2 R , then the value of p is
Correct answer
0
Step-by-step solution
The magnetic field due to current carrying wire at the location of square loop is B= ₀ 4 2 i R² (R²+3 R² )^ 3 / 2 = ₀ i 16 R The mutual induction array l M= N i = 2 i [ ₀ i 16 R a² 45^ ] M= ₀ a² 2^ 7 2 R array