The figure-4.240 shows ·a square wire mesh made of conducting wires. Here, each small square has side a. The structure is kept in uniform magnetic field B perpendicular to the plane of paper:

In Fig. there is a uniform conducting structure in which each small square has side a. The structure is kept in a uniform magnetic field B. Then the magnetic force on the structure will be

In Fig. there is a uniform conducting structure in which each small square has side a. The structure is kept in a uniform magnetic field B. Then the magnetic force on the structure will be

A V-shaped conducting wire is moved inside a magnetic field as shown in figure. Magnetic fiel d is perpendicular to paper inwards. Then

A V-shaped conducting wire is moved inside a magnetic field as shown in figure. Magnetic fiel d is perpendicular to paper inwards. Then

A loop of irregular shape of conducting wire PORS (as shown in figure) placed in a uniform magnetic field perpendicular to the plane of the paper changes into a circular shape. The direction of induced current will be

A rectangular frame ABCD, made of a uniform metal wire, has a straight connection between E and F made of the samae wire, as shown in fig. AEFD is a square of side 1m, and EB=FC=0.5m. The entire circuit is placed in steadily increasing, uniform magnetic field directed into the plane of the paper and normal to it. The rate of change of the magnetic field is 1T//s . The resistance per unit length of the wire is 1omega//m . Find the magnitude and directions of the currents in the segments AE, BE and EF.

A rectangular frame ABCD, made of a uniform metal wire, has a straight connection between E and F made of the samae wire, as shown in fig. AEFD is a square of side 1m, and EB=FC=0.5m. The entire circuit is placed in steadily increasing, uniform magnetic field directed into the plane of the paper and normal to it. The rate of change of the magnetic field is 1T//s . The resistance per unit length of the wire is 1omega//m . Find the magnitude and directions of the currents in the segments AE, BE and EF.

A uniform conducting wire ABC has a mass of 10 g. A current of 2A flows through it. The wire is kept in a uniform magnetic field B= 2T. The acceleration of the wire will be