– 4.00 X 10 1. Example 16. Two coaxial circular loops L, and L, of radii 3 cm and 4 cm are placed as shown. What should be the magni- tude and direction of the current in the loop L, so that the net magnetic field at the point O be zero ? (CBSE SP 08] 4 cm 4 cm 3 cm XI = 1 A L,

Two coaxial circular loops L_1 and L_2 of radii 3cm and 4cm are placed as shown in figure. What should be the magnitude and direction of the current in the loop L_2 so that the net magnetic field at the point O be zero?

Two concentric circular loops of radii 1 cm and 20 cm are placed coaxially. Find mutual inductance of the arrangement.

A circular loop of radius 9.7 cm carries a current 2.4A. Obtain the magnitude of the magnetic field:- at a distance of 9.7cm from the centre of the loop but on the axis. .

Two circular loops of radius 6 cm and 8 cm are kept in Y-Z plane with their centres at (0, 0, 0) and (14 cm, 0, 0). Current in the first loop is 1 A and is in an anticlockwise direction, when seen from the second loop. Calculate the magnitude and direction of current in the second loop such that net magnetic field at point (8 cm, 0, 0) is zero.

Two concentric circular loops of radii 1 cm and 20 cm are placed coaxially. If the current passed through the outer loop is changed at a rate of 5 A/ms , find the emf induced in the inner loop. Assume the magnetic field on the inner loop to be uniform.

A circular loop of radius 3 cm is having a current of 12.5 A. The magnitude of magnetic field at a distance of 4 cm on its axis is

A circular loop of radius 3 cm is having a current of 12.5 A. The magnitude of magnetic field at a distance of 4 cm on its axis is

A circular loop of area 1cm^2 , carrying a current of 10 A , is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is

A circular loop of area 1cm^2 , carrying a current of 10 A , is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is