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The electrostatic potential on the surface of uniformly charged spherical shell of radius R = 10 cm is 120 V. The potential at the centre of shell, at a distance r = 5 cm from centre, and at a distance r = 15 cm from the centre of the shell respectively, are:

1. 120V, 120V, 80V
2. 40V, 40V, 80V
3. 0V, 120V, 40V
4. 0V, 0V, 80V CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0 81 - 47250011 www.careerpoint.ac.in 12 JEE Main Online Paper

Correct answer: 120V, 120V, 80V

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