1.

Two spheres A and B of radius ?a? and ?b? respectively are at same electric potential. The ratio of the surface charge densities of A and B is                                             [MP PMT 2001]

A.            \[\frac{a}{b}\]                     
B.            \[\frac{b}{a}\]
C.            \[\frac{{{a}^{2}}}{{{b}^{2}}}\]                                           
D.            \[\frac{{{b}^{2}}}{{{a}^{2}}}\]
Answer» C.            \[\frac{{{a}^{2}}}{{{b}^{2}}}\]                                           


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