A vertical rod is rotating about its axis with a uniform angular speed ` omega` . A simple pendulum of length l is attached to its upper end what is its inclination with the rod ?

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.

A uniform rod of length L is rotated in a horizontal plane about a vertical axis through one of its ends. The angular speed of rotation is omega . Find increase in length of the rod, if rho and Y are the density and Young's modulus of the rod respectively,

Two point masses A of mass M and B of mass of 4M are fixed at the ends of a rod of length l and of negligible mass. The rod is set rotation about an axis perpendicular to its length with a uniform angular speed. The work required for rotating the rod will be minimum when the distance of axis of rotation from the mass A is at

A rod of length l is rotating with an angular speed omega about its one end which is at a distance a from an infinitely long wire carrying current i .Find the emf induced in the rod at the instant shown in the figure.

A rod of length l is rotating with an angular speed omega about its one end which is at a distance a from an infinitely long wire carrying current i .Find the emf induced in the rod at the instant shown in the figure.

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 rod is

A uniform material rod of length L is rotated in a horizontal plane about a vertical axis through one of its ends. The angular speed of rotation is w. Find increase in length of the rod. It is given that density and Young’s modulus of the rod are r and Y respectively.