The electric field at centre O, due to the segment of a ring of liner change density `8 C//cm` is -

Magnetic field at the centre O due to the given structure is

Magnetic field at the centre O due to the given structure is

Electric field due to ring

Find the electric field at centre of semicircular ring shown in figure . .

Electric field at centre O of semicircule of radius 'a' having linear charge density lambda given is given by

The electric field at the centre of a uniformly charged ring is zero. What is the electric field and potential at the centre of a half ring if the charge on it be Q and its radius be R ?

Find the electric field at the centre of a uniformly charged semicircular ring of radius R. Linear charge density is lamda

The electric field intensity due to a thin infinity long straight wire of uniform linear charge density lambda at O is-

A thin conducting ring orf radius R is given a chareg +Q , Fig. 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 part ACDB of the ring is