engineering recuitment HPCL Engineer Mock Test 2024 Electromagnetic Theory Electrostatics Electrostatic Field
A hollow metallic sphere of radius 'r' is kept at a potential of 1 volt. The total electric flux coming out of the concentric spherical surface of radius R(>r) is
1
4πr
2
4πε0r2
3
4πε0R
4
None of the above