Categories > Moving Charges and Magnetism > Biot-Savart's Law > A and B are two concentric circular conductors of centreO and carrying currents ${I_1}$ and ${i_2}$ as shown in the adjacent figure. If ratio of their radii is $1 : 2$ and ratio of the flux densities at O due to A and B is $1 : 3$, then the value of ${i_1}/{i_2}$ is

Moving Charges and Magnetism

Question: A and B are two concentric circular conductors of centreO and carrying currents ${I_1}$ and ${i_2}$ as shown in the adjacent figure. If ratio of their radii is $1 : 2$ and ratio of the flux densities at O due to A and B is $1 : 3$, then the value of ${i_1}/{i_2}$ is

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1) $\frac{1}{6}$
2) $\frac{1}{4}$
3) $\frac{1}{3}$
4) $\frac{1}{2}$
Solution: Explanation: No Explanation
Biot-Savart's Law Amperes Law

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