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Two charged metal spheres of radii R and 2R are temporarily placed in contact and then separated.

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Two charged metal spheres of radii R and 2R are temporarily placed in contact and then separated. At the surface of each, the ratio of electric field will be- 

(A) 1 : 1 

(B) 1 : 2 

(C) 2 : 1 

(D) 1 : 4 

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Best answer

Correct option (C) 2 : 1

Explanation:

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