The maximum electric field intensity on the axis of a uniformly charged ring of charge `q` and radius `R` is at a distance `x` from the centre of the ring.The value of `x` is

The maximum electric field intensity on the axis of a uniformly charged ring of charge q and radius R will be

The largest magnitude the electric field on the axis of a uniformly charged ring of radius 3m is at a distance h from its centre. What is the value of h? (Take (1)/(sqrt(2))=0.7 )

A short dipole is placed on the axis of a uniformly charged ring (total charge -Q, radius R) at a distance R/sqrt(2) from centre of ring as shown in figure. Find the Force on the dipole due to that ring

A point charge of charge -q and mass m is released with negligible speed from a distance sqrt(3) R on the axis of a fixed uniformly charged ring of charge Q and radius R. Find out its velocity when it reaches it reaches at the centre of the ring.

An electric dipole is kept on the axis of a uniformly charged ring at distance d from the centre of the ring. The direction of the dipole moment is along the axis. The dipole moment is p , charge of the ring is Q & radius of the ring is R . The force on the dipole is

The maximum electric field at a point on the axis of a uniformly charged ring is E_(0) . At how many points on the axis will the magnitude of the electric field be E_(0)//2 .

A particle having a charge of q=8.85muC is placed on the axis of a circular ring of radius R=30cm at a point P at a distance of a=40cm from the centre of the ring.The electric flux passing through the ring is x xx 10^(5)N//C .Find the value of x ?