Two pith balls each of mass 1 gm and each carrying a charge of 1µC are attached to ends…
Physics · JEE Main · NTA Exams — Electrostatics
Two pith balls each of mass 1 gm and each carrying a charge of 1µC are attached to ends of silk threads 1m long the other ends of which are attached to a fixed point in gravity free space.The force between them will be
- 2.25 × 10–5 N
- 2.25 × 10–3 N
- 4.25 × 10–3 N
- 12.25 × 10–3 N
Answer
(B) 2.25 × 10 –3 N
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