COMEDK · Physics · 17. Electrostatics
A charge \(10 \mathrm{nC}\) is situated in a medium of relative permittivity 10 . The potential due to this charge at a distance of \(0.1 \mathrm{~m}\) is
- A \(900 \mathrm{~V}\)
- B \(90 \mathrm{~V}\)
- C \(9 \mathrm{~V}\)
- D \(0.09 \mathrm{~V}\)
Answer & Solution
Correct Answer
(B) \(90 \mathrm{~V}\)
Step-by-step Solution
Detailed explanation
Potential due to a point charge at a distance \(r\) is given by…
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