A) 64 : 1
B) 1 : 64
C) 1 : 4
D) 4 : 1
Correct Answer: C
Solution :
\[\sigma \,\,=\,\,\frac{Q}{4\pi {{R}^{2}}}\,\propto \,\frac{R}{{{R}^{2}}}\,\,\propto \,\,\frac{1}{R}\]You need to login to perform this action.
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