Home
Class 12
PHYSICS
A large hollow metal sphere of radius R ...

A large hollow metal sphere of radius R has a small opening at the top. Small drops of mercury each of radius r and charged to a potential V fall into the sphere. The potential of the sphere becomes V' after N drops fall into it . Then,

A

`V'ltV` for all N

B

V'=V for N=1

C

V'=V for N=R/r

D

V'=V for N=`(R//r)^(1//3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PRACTICE WORKSHEET 2

    D MUKHERJEE|Exercise Assertion- Reason Type|3 Videos
  • PRACTICE WORKSHEET 2

    D MUKHERJEE|Exercise Linked- Comprehension Type|4 Videos
  • PRACTICE WORKSHEET 1

    D MUKHERJEE|Exercise Matrix-Matching Type|1 Videos
  • PRACTICE WORKSHEET 3

    D MUKHERJEE|Exercise Matrix-Matching Type|1 Videos

Similar Questions

Explore conceptually related problems

A large hollow metal sphere of radius R has a small opening at the top. Small drops of mercury, each of radius r and charged to a potential of the sphere becomes V' after N drops fall into it.Then

Metallic sphere of radius R is charged to potential V. Then charge q is proportional to

Two small drops of mercury, each of radius R , coalesce to form a single large drop. The ratio of the total surface energies before and after the change is

64 small drops of mercury each of radius r and charge q coalesce to form a big drop. The ratio of the surface density of charge of each small drop withh that of big drop is

A hollow metal sphere of radius 5 cm is charged so that the potential on its surface is 10 V . The potential at the centre of the sphere is