1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

# Eight drops of mercury of equal radii possessing equal charges combine to form a big drop. Then the capacitance of bigger drop compared to each individual small drop is?

A
8 times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
4 times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2 times
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
32 times
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

## The correct option is C 2 timesInitial capacitance Co=4πϵoRoNow, when they are combined to form a bigger drop of radius R.Total volume of mercury is same.⟹ final volume=8× initial volume of each drop⟹43πR3=8×43πR3o⟹R3=8R3o⟹R=2RoFinal capacitance C=4πϵoR=2×4πϵoRo⟹C=2CoAnswer-(C)

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
Surface Tension
PHYSICS
Watch in App
Explore more
Join BYJU'S Learning Program