Questions
Two metal spheres of radii R1 and R2 are charged to the same potential. The ratio of charges on the spheres is
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a
R1:R2
b
R1:R2
c
R12:R22
d
R13:R23
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Correct option is B
Spheres have same potential i.e., kQ1R1=kQ2R2⇒Q1Q2=R1R2Similar 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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