How many electrons must be added to an isolated spherical conductor of – McqOptions

MCQOPTIONS

1.	How many electrons must be added to an isolated spherical conductor of radius 20cm to produce an electric field 1000N/C just outside the surface?
A.	2.77*10<sup>20</sup>
B.	2.77*10<sup>10</sup>
C.	1.77*10<sup>10</sup>
D.	5.4*10<sup>10</sup>
Answer» C. 1.77*10<sup>10</sup>

Discussion

No Comment Found

Related MCQs

A solid non conducting sphere of radius 1m carries a total charge of 10 C which is uniformly distributed throughout the sphere. Determine the charge density of the sphere.
The term volume charge density is valid for a solid conducting sphere.
A charge is distributed along an infinite curved line in space with linear charge distribution . What will be the amount of force on a point charge q kept at a certain distance from the line?
What is the dimension of linear charge density?
A circular annulus of inner radius r and outer radius R has a uniform charge density a. What will be the total charge on the annulus?
How many electrons must be added to an isolated spherical conductor of radius 20cm to produce an electric field 1000N/C just outside the surface?