Field at one end of a solenoid is

A solenoid of length 50cm, having 100 turns carries a current of 2.5A. Find the magnetic field at one end of the solenoid.

A solenoid of length 100 cm having 150 turns carries a current of 3A. Find the magnitude of magnetic field:- at one end of solenoid.

A solenoid of length 0.2m has 500 turns on it. If 8.71 xx 10^(-6) "Weber"//m^(2) be the magnetic field at an end of the solenoid, then the current flowing in the solenoid is –

Write the expression for magnetic flux at one end of a long solenoid carrying current.

A solenoid of length 0*20m , having 120 turns carries a current of 2*5A . Find the magnetic field: (a) in the interior of the solenoid, (b) at one end of the solenoid. Given mu_0=4pixx10^-7 S.I. units.