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

Electric field at centre of quarter circular ring having charge density lambda is _____

Electric field at centre of quarter circular ring having charge density lambda is _____

Electric field at centre of a uniforly charged semicirlce of radius a is

Electric field at centre of a uniforly charged semicirlce of radius a is

The electric field at distance .r. from infinte line of charge ("having linear charge density" lambda) is

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

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

The electric field stength due to a circular loop of charge of radius R and linear density of charge lambda at its centre is proportional to: