# The charged ball b hangs from a silk thread s which makes an angle theta with a large charged conducting sheet p . The surface charge density is proportional toCot thetaCos thetaTan theta Sin theta

Arun
25758 Points
3 years ago
Dear Anvita

the strength of the electric field of an infinite plane charge is independent of the distance from the plane, and it is directly proportional to sigma. Let the constant of proportionality be 'k'

k*sigma*cos(theta)=mgsin(theta)

therefore, sigma is proportional to tan(theta)