A long conducting wire `AH` is moved over a conducting triangular wire `CDE` with a constant velocity `v` in a uniform magnetic field `vec(B)` directed into the plane of the paper. Resistance per unit length of each wire is `rho`. Then

A conducting rod AC of length 4l is rotated about point O in a uniform magnetic field vec(B) directed into the plane of the paper. AO = l and OC = 3l . Find V_(A) - V_(C) .

A conducting rod AC of length 4l is rotated about point O in a uniform magnetic field vec(B) directed into the plane of the paper. AO = l and OC = 3l . Find V_(A) - V_(C) .

A wire KMN moves along the bisector of the angle theta with a constant velocity v in a uniform magnetic field B perpendicular to the plane of the paper and directed inward. Which of the following is correct?

A small conducting rod of length l, moves with a uniform velocity v in a uniform magnetic field B as shown in fig __

A small conducting rod of length l, moves with a uniform velocity v in a uniform magnetic field B as shown in fig __

A copper wire bent in the shape of a semicircle of radius r translates in its plane with a constant velocity v. A uniform magnetic field B exists in the direction perpendicular to the plane of the wire. Find the emf induced between the ends of the wire if (a) the velocity is perpendicular ot the diameter joining free ends, (b) the velocity is parallel to this diameter.

A copper wire bent in the shape of a semicircle of radius r translates in its plane with a constant velocity v. A uniform magnetic field B exists in the direction perpendicular to the plane of the wire. Find the emf induced between the ends of the wire if (a) the velocity is perpendicular ot the diameter joining free ends, (b) the velocity is parallel to this diameter.

A copper wire bent in the shape of a semicircle of radius r translates in its plane with a constant velocity v. A uniform magnetic field B exists in the direction perpendicular to the plane of the wire. Find the emf induced between the ends of the wire if (a) the velocity is perpendicular ot the diameter joining free ends, (b) the velocity is parallel to this diameter.

In the circuit shown in Fig. A conducting wire HE is moved with a constant speed v towards left. The complete circuit is placed in a uniform magnetic field vec(B) perpendicular to the plane of circuit inwards. The current in HKDE is

In the circuit shown in Fig. A conducting wire HE is moved with a constant speed v towards left. The complete circuit is placed in a uniform magnetic field vec(B) perpendicular to the plane of circuit inwards. The current in HKDE is