How should three charges q, 2and 8be arranged on a 9 cm long line such that the potential…
Physics · JEE Advanced · NTA Exams — Electrostatics
How should three charges q, 2and 8be arranged on a 9 cm long line such that the potential energy of the system is minimum ?
- at a distance of 3 cm from 2
- at a distance of 5 cm from 2q
- 2at a distance of 7 cm from q
- 2at a distance of 9 cm from q
Answer
(A) at a distance of 3 cm from 2
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