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Q.A circular loop of radius RR carries current II. The magnetic field at a point on its axis at distance xx from centre is

a
μ0IR22(R2+x2)3/2\dfrac{\mu_0 I R^2}{2(R^2 + x^2)^{3/2}}
b
μ0IR2(R2+x2)3/2\dfrac{\mu_0 I R^2}{(R^2 + x^2)^{3/2}}
c
μ0I2R\dfrac{\mu_0 I}{2R}
d
μ0IR2(R2+x2)\dfrac{\mu_0 I R}{2(R^2 + x^2)}

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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