What is the self-inductance of an air core solenoid 1 m long, diameter 0.05 m, if it has 700 turns?

What is the self-inductance of an air-core solenoid 1 m long, diameter 0.05 m, if it has 500 turns? Take, pi^(2)=10 .

What is the self - inductance of an air code solenoid 50 cm long and 2 cm radius if it has 500 turns ?

What is the self inductance of an air core solenoid 50cm long and 2cm radius if it has 500 turns? Find the magnetic flux when a current of 2 amp passes through it

Calculate the self-inductance of an air-cored solenoid 50 cm long and 2 cm radius if the number of turns in the coil of solenoid is 400.

Determine the self-inductance of 4000 turn air-core solenoid of length 2m and diatmeter 0.04 m.

The self inductance of a long solenoid cannot be increased by

The self inductance of a long solenoid cannot be increased by