A conducting rod of length l is hinged at point O. It is a free to rotate in a verical plane. There exists a uniform magnetic field B in horizontal direction. The rod is released from the position shown. The potential difference between the two ends of the rod is proportional to

A conducting rod of length l is hinged at point O . It is free to rotate in vertical plane. There exists a uniform magnetic field vecB in horizontal direction. The rod is released from position shown in the figure. Potential difference between two ends of the rod is proportional to

A rod of length l rotates with a uniform angular velocity omega about its perpendicular bisector. A uniform magnetic field B exists parallel to the axis of rotation. The potential difference between the two ends of the lrod is

A conducting rod rotates with a constant angular velocity 'omega' about the axis which passes through point 'O' and perpendicular to its length . A uniform magnetic field 'B' exists parallel to the axis of the rotation . Then potential difference between the two ends of the rod is :-

A rod of length l rotates with a small but uniform angular velocity omega about its perpendicular bisector. A uniform magnetic field B exists parallel to the axis of rotation. The potential difference between the centre of the rod and an end is

A conducing rod of length l is falling with a velocity v perpendicular to a unifrorm horizontal magnetic field B . The potential difference between its two ends will be

A metal rod of length L is placed normal to a magnetic field and rotated through one end of rod in circular path with frequency f. The potential difference between it ends will be-

A metal rod of length l pivoted at is upper end. It is released from a horizontal position. There is a uniform magnetic field _|_ to its plane of rotation. When it becomes vertical, the p.d. across its ends is proportional to