COMEDK · Physics · 17. Electrostatics
Potential energy of 2 charge \(10 \mathrm{nC}\) each separated by a distance of \(0.09 \mathrm{~m}\) in air is
- A \(10 \mu \mathrm{J}\)
- B \(1 \mathrm{~mJ}\)
- C \(10 \mathrm{~mJ}\)
- D \(10 \mathrm{~J}\)
Answer & Solution
Correct Answer
(A) \(10 \mu \mathrm{J}\)
Step-by-step Solution
Detailed explanation
Given \(q_{1}=q_{2}=10 \mathrm{nC}=10 \times 10^{-9} \mathrm{C}\) \(r=0.09 \mathrm{~m}\) Potential energy of two point charges is given by…
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