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Q.

Two conducting spheres of radii r₁ and r₂ are charged to the same surface charge density. The ratio of electric fields near their surfaces is

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a

$\frac{r_{1}^{2}}{r_{2}^{2}}$

b

$\frac{r_{2}^{2}}{r_{1}^{2}}$

c

$\frac{r_{1}}{r_{2}}$

d

$1:1$

answer is D.

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Two conducting spheres of radii r1 and r2 are charged to the same surface charge density. The ratio of electric fields near their surfaces is