1
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Question

# Two spherical conductors A and B or radii 2mm and 3mm are separated by a distance of 5cm and are uniformly charged. If the spheres are connected by a conducting wire, then, in equilibrium position, the ratio of the magnitudes of electric fields at the surface of the spheres A and B is :

A
1:4
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B
4:1
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C
3:2
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D
2:3
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Solution

## The correct option is C 3:2The ratio of the electric field is given as, EAEB=rBrA EAEB=32 Thus, the ratio of the electric fields at the surface of the surface of the spheres A and B is 3:2.

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