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Questions  

Two metal spheres of radii R1 and R2 are charged to the same potential. The ratio of charges on the spheres is

a
R1 : R2
b
R1 : R2
c
R12 : R22
d
R13​: R23

detailed solution

Correct option is B

Spheres have same potential  i.e. kQ1R1=kQ2R2⇒Q1Q2=R1R2

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