Questions
Eight equal charged tiny drops are combined to form a big drop. If the potential on each drop is 10V. Then potential of big drop will be :
detailed solution
Correct option is A
Volume = constant ⇒8 x 43πr3=43πR3⇒r=R2Vbig=k(8q)R=8kq2r=4kqr=4Vtiny =4 x 10 V=40 VTalk to our academic expert!
Similar Questions
Two spherical shells are as shown in figure.
Let r be the distance of a point from their common centre. Then, match the following columns and mark the correct choice from the given codes.
| Column-I | Column-II | ||
| i. | Electric field for r < R1 | p. | is constant for q2 and vary for q1 |
| ii. | Electric potential for r < R1 | q. | is zero for q2 and vary for q1 |
| iii. | Electric potential for R1 < r <R2 | r. | is constant |
| iv. | Electric field for R1 < r <R2 | s. | is zero |
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