Question

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

• A. $\lambda R$
• B. $\frac\lambda R^2$
• C. $\frac\lambda {R^2}$
• D. none of the above

Answer 1

Answer: (D)

none of the above

Answer 2

Electric field at the centre of a charged loop is zero.