At which point on the axis of solenoid is the magnetic field maximum?

Field at one end of a solenoid is

A circular coil of radius R carries a current i . The magnetic field at its centre is B . The distance from the centre on the axis of the coil where the magnetic field will be B//8 is

Choose the corect options. Let r be the distance of a point on the axis of a bar magnet from its centre. The magnetic field at r is always proportional to:

Choose the corect options. The magnetic field at a point A on the axis of a small bar magnet is equal to the field at a point B on the equator of same magnet. The ratio of distance of A and B from centre of magnet is A. 2^3 B. 2^(-1//3) C. 2^(-2//3) D. 2^(1//3)

At neutral point, the horizontal component of the magnetic field due to a magnet is

Under what condition, will the torque acting on the bar magnet suspended in a uniform magnetic field be maximum?

There are 50 turns of a wire in every cm langth of a long solenoid. If 4 ampere current is flowing in the solenoid, the approximate value of magnetic field along its axis at an internal point and at one end will be respectively

What is Solenoid?Compare the magnetic field produced by a solenoid with the magentic field of a bar magnet.Draw neat figure and name various components

A solenoid has length 0.4m , radius 1 cm and 400 turns of wire. If a current fo 5 A is passed through this solenoid, then what is the magnetic field inside the solenoid?