Find the magnitude of the magnetic force on the segment CD of length `30cm` placed in a magnetic field of `0*3T` and a current of `4A` flows through it as shown in figure.

What is the magnitude of force acting on a current-carrying conductor placed in a magnetic field?

A wire is bent to form a circular coil of radius 5 cm with 20 loops. The coil is placed in a magnetic field of 0.5 T and a current of 1 A flow through it. Calculate the maximum torque exerted by magnetic field.

Find the magnitude and direction of current flowing through the segment CD of the circuit shown in the figure. .

The maximum force acting on a straight conductor of length 15 cm placed in a magnetic field 5 xx 10^-5 N//Am is 3 xx 10^-4 N . Then current flowing through the conductor is

The force experienced by a wire of length 10cm kept at an angle of 30^@ to a uniform magnetic field of 0*5T and carrying a current of 6A is

The magnetic force on segment PQ, due to a current of 5 amp. flowing in it, if it is placed in a magnetic field of 0.25 Tesla, will be -

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

What is the magnitude of the magnetic force per unit length on a wire carrying a current of 8 A making an angle of 30^@ with the direction of a uniform magnetic field of 0*15T ?

A magnetic field of 0.25 T is acting in a region from west to east. A wire PQ is bent and is placed in the magnetic field as shown in figure. If a current of 5 A flows through the wire, then calculate the magnitude of magnetic force acting on the wire.