A circular loop of radius 0.3 cm lies parallel to amuch bigger circular loop of radius 20 cm. The centre of the small loop is on the axis of the bigger loop. The distance between their centres is 15 cm. If a current of 2.0 A flows through the smaller loop, then the flux linked with bigger loop

A circular loop of radius 0.3 cm lies parallel to amuch bigger circular loop of radius 20 cm. The centre of the small loop is on the axis of the bigger loop. Obtain the mutual inductance of the two loops.

A circular coil of 50 turns and radius 0.2 cm carries a current of 12 A. Find magnetic field at the centre of the coil.

A circular wire of radius 7.5 cm is cut and bent so as to lie along the circumference of a circular hoop whose radius is 120 cm, find in degrees, the angle which is subtended at the centre of this loop.

A very small circular loop of area 5xxI0^(-4)m^(2) , resistance 2Omega and negligible inductance is initially coplanar and concentric with a much larger fixed circular loop of radius 0.1m . A constant current of 1A is passed in the bigger loop and the smaller loop is rotated with angular velocity omegarad//sec about a diameter. Calculate the flux limked with the smaller loop.

A circular loop of radius R, carrying current I, lies n XY-plane with its centre at origin. The total magnetic flux through XY-plane is

A circular loop is carrying current and is said to be equivalent to magnetic dipole. Then, a point on the axis of the loop lies in its

A circular loop of radius R carrying a current is placed in a uniform magnetic field with its plane perpendicular to B. The force on the loop is

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

A circular loop of area 0.01 m^(2) carrying a current of 10 A, is held perpendicular to a magnetic field of intensity 0.1 T. The torque acting on the loop is