A soap bubble is charged to a potential ...

A soap bubble is charged to a potential 12 V. If its radius is doubled, the potential of the bubble becomes

a. 12V

b. 24V

c. 3V

d. 6V

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTROSTATIC POTENTIAL AND CAPACITANCE
NEW JOYTHI PUBLICATION|Exercise Previous Year Questions|2 Videos
ELECTROMAGNETIC WAVES
NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|16 Videos
MAGNETISM AND MATTER
NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|13 Videos

Similar Questions

Explore conceptually related problems

n' small drops of same size are charged to a potential V. The drops caolesce to form a bigger drop. Calculate the potential of the bigger drop.

The ratio of charge to potential of a body is called as :

A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 V. the potential at the centre of the sphere is

A certain capacitor is charged to a potential V. By what percentage the potential to be increased, so that energy increases by 10%?

The excess pressure inside a soap bubble is twice the excess pressure inside a second soap bubble, the volume of the first bubble is n times the volume of the second where n is

The radius of an air bubble is increasing at the rate of (1)/(2) cm/s. At what rate is the volume of the bubble increasing when the radius is 1 cm?

A parallel plate capacitor of capacitance 100 mu F Is charged to 500 V. The plate separation is then reduce to half its original value. Then the potential on the capacitor becomes

An uncharged parallel plate capacitor filled with a dielectric of dielectric constant K is connected to an air filled identical parallel capacitor charged to potential V_1 .If the common potential is V_2 . the value of K is

A capacitor of capacitance C is charged to a potential V . The flux of the electric field through a closed surface enclosing the capacitor is

NEW JOYTHI PUBLICATION-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Competitive Exam Corner

The equivalent capacitance betweeen A and B is ("in "muF)
Text Solution
|
Identify the false statement.
Text Solution
|
Two conducting spheres of radii 3 cm and 1 cm are separated by a dista...
Text Solution
|
The work done in carrying a charge 'a' once round a circle of radius '...
Text Solution
|
A parallel plate capacitor is charged to a potential difference of V v...
Text Solution
|
Two particles A and B having equal charges +6 C, after being accelerat...
Text Solution
|
Two identical thin rings, each of radius 10 cm carrying charges 10 C a...
Text Solution
|
The electric potential V at any point (x, y, z) in space is given by V...
Text Solution
|
Choose the correct statement.
Text Solution
|
In a parallel plate capacitor, if the intervening medium of permittivi...
Text Solution
|
The percentage error in measuring resistance with a metre bridge can b...
Text Solution
|
An uncharged parallel plate capacitor filled with a dielectric of diel...
Text Solution
|
Choose the wrong statement about equipotential surfaces.
Text Solution
|
Three capacitors connected in series have an effective capacitance of ...
Text Solution
|
A soap bubble is charged to a potential 12 V. If its radius is doubled...
Text Solution
|
The energy stored in a capacitor of capacitance Chaving a charge Q und...
Text Solution
|
A point charge of 2 C experiences a constant force of 1000 N when move...
Text Solution
|
A charge Q is distributed over two concentric hollow spheres of radii ...
Text Solution
|
The velocity acquired by a charged particle of mass m and charge Q acc...
Text Solution
|
A 5muF capacitor is fully charged by a 12V battery and then disconnect...
Text Solution
|