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Grade: 10
        
There are 27 drops of conducting fluid .each drop has radius 'r' and each of them is charged to the same potential V1 . They  are combined to form a bigger drop the potential of the bigger drop is V2.Find the ratio V2/V1
 
2 months ago

Answers : (2)

Vikas TU
8721 Points
							
If q  be the charge on each drop 
Charge on big drop Q = 27 q 
R= radius of bigger drop 
4/3 πR^3 = 27 * 4/3 *π * r^3 
R=3r
V1 = kq/r 
V2 = kQ/R 
 
V2/V1 = 9 
V= kq/r 
 
2 months ago
Khimraj
3008 Points
							
volume will be constant
so 4/3 πR3 = 27 * 4/3 πr3
R=3r
V2/V1 = q2*r/q1*R
 =9
…................................................................
one month ago
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