A 1m long conducting wire is lying at right angles to the magnetic field. A force of 1 kg. wt is acting on it in a magnetic field of 0.98 tesla. The current flowing in it will be-

The magnetic field at the origin due to the current flowing in the wire is

The magnetic field at the origin due to the current flowing in the wire is

The magnetic field at the origin due to the current flowing in the wire is

A wire is placed parallel to the lines of force in a magnetic field and a current flows in the wire. Then :

A 0.5m long straight wire in which a current of 1.2A is flowing is kept a right angles to a uniform magnetic field of 2.0 tesla. The force acting on the wire will be-

A 0.5m long straight wire in which a current of 1.2A is flowing is kept a right angles to a uniform magnetic field of 2.0 tesla. The force acting on the wire will be-

A 0.5 m long conducting wire is bent in form of a circle, Calculate the magnetic field at the centre if wire carries a current of 5 A.

A current of 10 ampere is flowing in a wire of length 1.5m . A force of 15 N acts on it when it is placed in a uniform magnetic field of 2 tesla. The angle between the magnetic field and the direction of the current is