for a gaussin surface through which the net flux is zero the following 4 statements could be true which of the statements must be true a)tere are no charges inside the surface b)the net charge inside the surface is 0 c)the electric field is 0 everywhere on the surface d)the number of electric field lines entering the surface eguals the nuber leaving the surface
1 answer
what is the forces between two smalls spheres having charges of 2 × 10 -7 C and 3 × 10- 7 c placed 30cm apart in air ?