The electric field at 2R from the centre of a uniformly charged non conducting sphere of radius R is E. The electrical field at a distance R/2 from centre will be?

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The electric field at 2r from centre of a uniformly charged non conducting sphere of radius r andE .What is the electric field at distance r/2 from centre?

Q. The electric field at

20

cm from the centre of a uniform charged non - conducting sphere of radius

10

cm is

E

. Then at a distance of

5

cm from the centre it will be :

Q. Charge Q is distributed uniformly over a non conducting sphere of radius

R

. Find the electric potential at distance

r

from the centre of the sphere (

r < R

). The electric field at a distance

r

from the centre of the sphere is given as

\frac{1}{4 π ϵ_{0}} \frac{Q}{R^{3}} r ˆ r

. Also find the potential at the centre of the sphere.

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