What is the source of a magnetic force in a current carrying wire?

Do you know that a magnetic field is produced around a current carrying wire?

What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and making an angle of 30^@ with the direction of a uniform magnetic field of 0.15 T ?

Draw the magnetic force lines of a current carrying finite solenoid?

Can you suggest an experiment to draw magnetic field lines of the magnetic field around the current carrying wire?

The magnetic field near a current carrying conductor is given by

The magnetic induction at a point P which is at a distance of 4 cm from a long current carrying wire is 10^(-8) T. The induction at a distance 12 cm from same current carrying wire is

The direction of magnetic moment of a current carrying circular coil is

The ratio of magnetic field at the centre of a current carrying circular coil to its magnetic momnts is x. If the current and radius both are doubble the new ratio will become

Define magnetic dipole moment of a current carrying coil.

What is the torque experienced by a current carrying loop kept in a magnetic field?