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An isolated metal sphere of radius R, carrying an electric charge Q, is...

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Question 1108
A
\(\frac{Q}{4 \pi E_o E_r r^2}\)
B
\(\frac{Q}{4 \pi E_o E_r(R + r)^2}\)
C
\(\frac{Q}{4 \pi E_o E_r(R - r)^2}\)
D
\(\frac{Q}{4 \pi E_o E_rR^2}\)
Explanation

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Correct option: D

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