Two coaxial coplanar circular loops of radii and are placed concentrically and carry…

PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

Two coaxial coplanar circular loops of radii

6\,\text{cm}

and

10\,\text{cm}

are placed concentrically and carry currents

4\,\text{A}

and

3\,\text{A}

respectively, both flowing clockwise as seen from one side. Determine the magnitude and direction of the net magnetic field at their common centre.