A conducting wire of 100 turns is wound over and near the centre of a solenoid of 100 cm length and 2 cm radius having 600 turns. Calculate mutual inductance of two coils.

A conducting wire of 100 turns is wound over 1 cm near the centre of a solenoid of 100 cm length and 2 cm radius having 1,00 turns. Calculate coefficient of mutual inductance of the two solenoids.

A circular coil of diameter 2 cm and 100 turns is placed at the centre of a long solenoid of radius 5 cm and 10 turns//cm . The mutual inductance of the two coils will be nearest to:

A secondary coil of N_2 turns is wound on a long solenoid of cross-section. A and having a primary coil n_1 turns per unit length. What is mutual inductance of the two coils?

A coil of 100 turns and 1cm radius is kept coaxially within a long solenoid of 8 turns per cm and 5 cm radius. Find the mutual inductance.

Find the length of a solenoid of radius 2 cm and 800 turns per metre having self-inductance of 0.115 H.

Over a solenoid of 50 cm length and 2 cm radius having 500 turns. Is wound another wire of 50 turns near the centre. Calculate mutual inductance of the two coils. If currents in primary changes From 0 to 5 a in 0.02 s, what is the emf induced in secondary coil ?

A long solenoid of length 50 cm and cross sectional area 10cm^2 is closely wound with 1000 turns of wire. A small coil of 10 turns surrounds it at its centre. Calculate the mutual inductance of the two coils.

A solenoid 0.70 m in length and of 2100 turns has a radius 4.5xx10^(-2) m. A second coil of 750 turns is wound over the middle part of the solenoid. Find the self inductance of the solenoid and mutual inductance between the two coils.