A rod is rotating with a constant angular velocity `omega` about point `O` (its centre) in a magnetic field `B` as shown. Which of the folloiwng figure correctly shows the distribution of charge inside the rod?

A rod is rotating with angular velocity omega about axis AB. Find costheta .

A rod is rotating with angular velocity omega about axis AB. Find costheta .

A conducting rod of length l is rotating with constant angular velocity omega about point O in a uniform magnetic field B as shown in the figure . What is the emf induced between ends P and Q ?

A conducting rod of length l is rotating with constant angular velocity omega about point O in a uniform magnetic field B as shown in the figure . What is the emf induced between ends P and Q ?

A rod of length 10 cm made up of conducting and non-conducting material (shaded part is non-conducting). The rod is rotated with constant angular velocity 10 rad//s about point O , in constant magnetic field of 2 T as shown in the figure. The induced emf between the point A and B of rod will be:

A rod of length 10 cm made up of conducting and non-conducting material (shaded part is non-conducting). The rod is rotated with constant angular velocity 10 rad//s about point O , in constant magnetic field of 2 T as shown in the figure. The induced emf between the point A and B of rod will be:

A conducting ring of radius r having charge q is rotating with angular velocity omega about its axes. Find the magnetic field at the centre of the ring.

A conducting ring of radius r having charge q is rotating with angular velocity omega about its axes. Find the magnetic field at the centre of the ring.

A conducting ring of radius r having charge q is rotating with angular velocity omega about its axes. Find the magnetic field at the centre of the ring.