64 equally charged water-droplets, each ...

64 equally charged water-droplets, each of radius 4 mm, are combined to form a large water-drop. Determine the ratio of the surface densities of charges in the two cases.

Text Solution

Verified by Experts

`4:1`

Topper's Solved these Questions

ELEMENTARY PHENOMENA OF ELECTROSTATICS
CHHAYA PUBLICATION|Exercise ENTRANCE CORNER|20 Videos
ELEMENTARY PHENOMENA OF ELECTROSTATICS
CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE|2 Videos
ELEMENTARY PHENOMENA OF ELECTROSTATICS
CHHAYA PUBLICATION|Exercise NCERT TEXTBOOK QUESTIONS|5 Videos
ELECTROMAGNETISM
CHHAYA PUBLICATION|Exercise CBSE SCANNER|26 Videos
KIRCHHOFF'S LAWS AND ELECTRICAL MEASUREMENT
CHHAYA PUBLICATION|Exercise CBSE SCANNER|16 Videos

Similar Questions

Explore conceptually related problems

Two spheres of radii 4 cm and 8 cm have the same amount of charge. Determine the ratio of their surface densities of charge.

27 drops of water, each of radius 3 mm and having equal charge are combined to form a large drop. Find the ratio of the surface density of charge on the large drop to that on each small drop.

The ratio of the radii of two spheres is 5:2 and that of their charges is 5:3. Determine the ratio of the surface densities of charge of the two spheres.

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

Two drops of mercury, each having a radius R, coalesce to from a large drop. Determine the ratio of their surface energies before and after the change. Surface tension of mercury = T.

64 tiny drops of water having same radius and same charge are combined to form one large drop. The ratio of potential of the large drop to the small drop is

64 tiny drops of water having same radius and same charge are combioned of formone large drop. The ratio of petential of the large drop to the small drop is

64 small water drops each of capacitance C and charge q coalesce to form a larger spherical drop. The charge and capacitance of the larger drop is

CHHAYA PUBLICATION-ELEMENTARY PHENOMENA OF ELECTROSTATICS -EXERCISE

Why does a spherical conductor retain its charge for a long time in co...
Text Solution
|
Why is it not possible to charge a metal rod holding it in hand? What ...
Text Solution
|
What is the utility of the drying agent inside a gold-leaf electroscop...
Text Solution
|
Charging a gold-leaf electroscope by conduction is inferior to the met...
Text Solution
|
Can two similarly charged balls be attracted by each other? If yes, ex...
Text Solution
|
To charge a gold-leaf electroscope by induction, the inducting charge ...
Text Solution
|
Bound charges can reside inside a hollow conductor. Explain.
Text Solution
|
A charged glass rod is brought near a pin fixed with the disc of a gol...
Text Solution
|
"There exists no sharp line separating conductors from insulators."-Ex...
Text Solution
|
How it is possible to transfer whole of the charge on an insulated con...
Text Solution
|
You are given a negatively charged pith ball, hanging from a string, a...
Text Solution
|
A body has -80muC charge. What is the number of excess electrons in th...
Text Solution
|
A conductor is charged with 14.4 xx 10^(-19) C. Determine the number ...
Text Solution
|
How much charge is to be given to a sphere of radius 30 cm so that its...
Text Solution
|
The surface area of a body is 25 cm^2 and its surface density of charg...
Text Solution
|
What will be the surface density of charge of a sphere of radius 4 cm,...
Text Solution
|
Two spheres of radii 4 cm and 8 cm have the same amount of charge. Det...
Text Solution
|
The diameter of a sphere is 2 cm. The sphere is hollow and conducting ...
Text Solution
|
64 equally charged water-droplets, each of radius 4 mm, are combined t...
Text Solution
|
The ratio of the radii of two spheres is 5:2 and that of their charges...
Text Solution
|