railway RRB Technician Grade 1 Mock Test 2024 Physics Electric Fields and Gauss' Law The Electric Field Due to a Point Charge
The charge on the metallic sphere of radius R is Q. The electric field intensity at a distance r from the centre of the sphere is E. If the charge on the sphere is doubled, the electric field intensity at a distance 2r will be: (R < r)
1
2E
2
E
3
E/4
4
E/2