MHT CET · Physics · Electrostatics
The electric intensity outside a charged sphere of radius \(R\) at a distance \(r(r>R)\) is
- A \(\frac{\sigma R^{2}}{\varepsilon_{0} r^{2}}\)
- B \(\frac{\sigma r^{2}}{\varepsilon_{0} R^{2}}\)
- C \(\frac{\sigma r}{\varepsilon_{0} R}\)
- D \(\frac{\sigma R}{\varepsilon_{0} r}\)
Answer & Solution
Correct Answer
(A) \(\frac{\sigma R^{2}}{\varepsilon_{0} r^{2}}\)
Step-by-step Solution
Detailed explanation
The electric intensity outside a charged sphere,
\(
E=\frac{\sigma R^{2}}{\varepsilon_{0} r^{2}}
\)
\(
E=\frac{\sigma R^{2}}{\varepsilon_{0} r^{2}}
\)
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