In the loop shown, the magnetic induction at point 'O' is

Question

\( \frac{\mu_0 I}{8} \left(\frac{R_1 - R_2}{R_1 R_2}\right)\)

\(\\{\mu_0 I}{8} \left(\frac{R_1 + R_2}{R_1 R_2}\right)\)

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

Zero

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