Question 31 (Choice 2) - Physics CBSE Class 12 Sample Paper for 2023 Boards - Solution - Solutions to CBSE Sample Paper - Physics Class 12

Last updated at August 12, 2026 by Teachoo

(a)Three charges –q, Q and –q are placed at equal distances on a straight line. If the potential energy of the system of these charges is zero, then what is the ratio Q:q?

(b)(i) Obtain the expression for the electric field intensity due to a uniformly charged spherical shell of radius R at a point distant r from the centre of the shell outside it.

(ii) Draw a graph showing the variation of electric field intensity E with r, for r > R and r < R.

Answer:

Diagram

Next: Question 32 (Choice 1) Important → Remove Ads

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