Question

The electric field intensity outside the charged conducting sphere of radius R
placed in a medium of permittivity E' at a distance 'r' from the centre of sphere
in terms of surface charge density o is​

Answer 1

Explanation:

The electrostatic potential (ϕ

r

) of a spherical symmetric system, kept at origin, is shown in the adjacent figure, and given as

ϕ

r

=

4π∈

o

r

q

(r≥R

0

)

ϕ

r

=

4π∈

o

R

q

(r≤R

0

)R

0

r