A conducting rod of length L rotates with angular speed `omega` in a uniform magnetic field of induction B which is perpendicular to its motion .The induceed emf developed between the two ends of the rod is

A conducting rod OA of length l is rotated about its end O with an angular velocity omega in a uniform magnetic field directed perpendicualr to the rotation. Find the emf induced in the rod, between it's ends.

A copper rod of length L rotates with an angular with an angular speed 'omega' in a uniform magnetic field B. find the emf developed between the two ends of the rod. The field in perpendicular to the motion of the rod.

A copper rod of length L rotates with an angular with an angular speed 'omega' in a uniform magnetic field B. find the emf developed between the two ends of the rod. The field in perpendicular to the motion of the rod.

A metallic rod of length L rotates at an angular speed omega, normal to a uniform magnetic field. If the resitance of rod is R the heat dissipated is:

A horizontal rod of length 'l' rotates about a vertical axis with a uniform angular velocity 'omega' . A uniform magnetic field of induction B exists parallel to the axis of rotation. The potential different between the ends of the rod is

(a) A metal rod of length L rotates about an end with a uniform angular velocity omega . A uniform magnetic field B exists in the direction of the axis of rotation. Calculate the emf induced between the ends of the rod. Neglect the centripetal force acting on the free electrons as they move in circular paths. (b) 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. Find the potential difference (i) between the centre of rod and one end and (ii) between the two ends of the rod.