" A uniform ring of radius "R" is given a back spin "

A uniform ring of radius 'R' is suspended from a horizontal nail 'A' as shown. Find time period of its small oscillations.

A thin conducting ring of radius R is given a change +Q . The electric field at the centre O of the ring due to the charge on the part AKB of the ring is E. The electric field at the centre due to the charge on the part ACDB of the ring is:

A uniform ring of radius R and made up of a wire of cross - sectional radius r is rotated about its axis with a frequency f . If density of the wire is rho and young's modulus is Y . Find the fractional change in radius of the ring .

A uniform ring of radius R and made up of a wire of cross - sectional radius r is rotated about its axis with a frequency f . If density of the wire is rho and young's modulus is Y . Find the fractional change in radius of the ring .

A uniform ring of mass m and radius R is in uniform pure rolling motion on a horizontal surface. The velocity of the centre of ring is V_(0) . The kinetic energy of the segment ABC is:

A thin conducting ring of radius R is given a charge +Q , Fig. The electric field at the center O of the ring due to the charge on the part AKB of the ring is E . The electric field at the center due to the charge on part ACDB of the ring is