A spherical oil drop, radius 10^(-4) cm ...

A spherical oil drop, radius `10^(-4)` cm has on it at a certain a total charge of 40 electrons. Calculate the energy that would be required to place an additional electron on the drop.

Topper's Solved these Questions

ELECTROSTATIC POTENTIAL AND CAPACITORS
DC PANDEY|Exercise Check point 2.1|15 Videos
ELECTROSTATIC POTENTIAL AND CAPACITORS
DC PANDEY|Exercise Check point 2.2|15 Videos
ELECTROMAGNETIC WAVES
DC PANDEY|Exercise Sec C|22 Videos
ELECTROSTATICS
DC PANDEY|Exercise Medical entrances gallery|37 Videos

Similar Questions

Explore conceptually related problems

In Millikan's experiment, an oil drop of radius 10^(-4) cm remains suspended between the plates which are 1 cm apart. If the drop has charge of 5e over it, calculate the potential difference between the plates. The density of oil may be taken as 1.5 gcm^(-3) .

An object with an initial charge of 4 C is given 9 xx 10^19 additional electrons, Calculate the net charge on the object.

An oil drop of radius 0.10mm spreads on a circular film of diameter 20 cm. Calculate the molecules size of the oil drop on the film.

Calculate the total charge of a mole of electrons if the electrical charge on a single electron is 1.60 xx 10^(-19) C.

An oil drop of radius 10^(-6)m carries a charge equal to that on an electron. If the density of the oil is 2xx10^(3)kg m^(3) , find the electric field required to keep it stationary. Take e=1.6xx10^(-19)C and g=9.8 ms^(-2) .

An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 eV. Calculate (a) the kinetic energy and (b) the de Broglie wavelength of the electron.

In a Millikan's oil drop experiment, an oil drop of mass 4.9xx10^(-14)kg is balanced by a potential difference of 4000 V between two plates which are 8 mm apart. Find the number of elementary charges on the drop.

An oil drop has 8.01 xx 10^(-19) C charg .Calculate the number of electrons in this drop.

DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(C) Chapter exercises

A spherical oil drop, radius 10^(-4) cm has on it at a certain a total...
Text Solution
|
A capacitor of 2 muF is charged as shown in the figure. When the switc...
Text Solution
|
A parallel plate capacitor of area A, plate separation d and capacitan...
Text Solution
|
A parallel plate air capacitor of capacitance C is connected to a cell...
Text Solution
|
Calculate the charge on equivalent capacitance of the combination show...
Text Solution
|
An isolated sphere has a capacitance of 50 pF. (a) Calculate its radiu...
Text Solution
|
A parallel plate capacitor has 91 plates, all are identical and arrang...
Text Solution
|
A particle of mass 1.96xx10^(-15) kg is kept in equilibrium between tw...
Text Solution
|
The distance of the closest approach of an alpha particle fired at a n...
Text Solution
|
A uniform electric field E is created between two parallel charged pla...
Text Solution
|
A battery charges a parallel plate capacitor of thickness (d) so that ...
Text Solution
|
A capacitor of capacitance 100(mu)F is charged by connecting it to a b...
Text Solution
|
An infinite number of identical capacitors each of capacitance 1 mF ar...
Text Solution
|
A parallel plate capacitor is charged and then isolated. The effect of...
Text Solution
|
A spherical shell of radius 10 cm is carrying a charge q. If the elect...
Text Solution
|
An electron of mass m(e ) initially at rest moves through a certain di...
Text Solution
|
Consider the diagram, A parallel plate capacitor has the plate wi...
Text Solution
|
A conducting sphere of radius R is given a charge Q. The electric pote...
Text Solution
|
Two concentric spheres kept in air have radii R and r. They have simil...
Text Solution
|
Two charges of equal magnitude q are placed in air at a distance 2a ap...
Text Solution
|
Consider two concentric spherical metal shells of radii r(1) and r(2) ...
Text Solution
|