Two spheres of radius 10cm and 40cm have the same volume density charge.find the ratio of charge on them
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Answer:In this question there is no consideration of volume density change, we have only to use formulae σ=q/a and also a= 4πr 2 r1=10cm r2=40cm According to equation q1/q2=r22 /r12 Thus q1/q2= (40x40)/(10x10) q1/q2=16/1 Ratio of charges is 16:1
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