Two concentric conducting spheres of radii R and 2R are carrying charges Q and -2Q respectively. If the charge on the inner sphere is doubled, the potential difference between the two spheres will be?
Ans. two times
Siddharth , 11 Years ago
Grade Upto college level
1 Answers
Akarsh Aithal
Last Activity: 11 Years ago
since potential difference is directly proportional to the charges then
V proportional to Q1*Q2
V1/V2 = Q1*Q2/Q`1*Q`2
V1/V2 = Q*-2Q/2Q*-2Q
On simpliyfing
V1/V2 = 2/4
V1/V2 = 1/2
2V1=V2
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