Two spheres A and B are charged with the...

Two spheres A and B are charged with the charges of +10 and +20 coulomb respectively and separated by a distance of 80 cm. The electric field at point on the line joining the centres of the two spheres will be zero at a distance from the sphere A :

`20 cm`

`33 cm `

`45 cm `

`60 cm `

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

TEST PAPER 2
ALLEN |Exercise PHYSICS|45 Videos
TEST PAPER 4
ALLEN |Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Two non-conducting solid spheres of radii R and 2R, having uniform volume charge densities rho_1 and rho_2 respectively, touch each other. The net electric field at a distance 2R from the centre of the smaller sphere, along the line joining the centres of the spheres, is zero. The ratio rho_1/rho_2 can be

Two small and heavy spheres, each of mass M, are placed a distance r apart on a horizontal surface. The graviational potential at the mid-point on the line joining the centre of the spheres is :-

Two point electric charges +10^(-8) C and -10^(-8) C are placed 0.1 m apart. Find the magnitude of Total Electric Field at the center of the line joining the two charges.

Two point charges Q and - Q //4 are separated by a distance X . Then . force between this two charge

The electric field at a distance (3R)/2 from the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance R/2 from the centre of the sphere is :

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are

If the potential at the center of a uniformly charged sphere of radius R is V then electric field at a distance r from the center of sphere will be ( r lt R ) : -

On which points the electric field intensity of the dipole is parallel to the line joining the two charges of the electric dipole ?

Write equation of electric field by point charge How does it depend on distance ?

A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre

ALLEN -TEST PAPER 3-PHYSICS

A charge Q1 exerts some force on a second charge Q2. If a 3rd charge Q...
Text Solution
|
Two particles A and B having equal charges are placed at distance d ap...
Text Solution
|
An infinite number of charges, each of magnitude q, are placed along x...
Text Solution
|
Two pitch balls carrying equal charges are suspended from a common poi...
Text Solution
|
Two spheres A and B are charged with the charges of +10 and +20 coulom...
Text Solution
|
The electric field due to a uniformly charged sphere is maximum at :
Text Solution
|
Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a squ...
Text Solution
|
A charged oil drop is suspended in a uniform filed of 3xx10^4 v//m so ...
Text Solution
|
The electric field at a distance (3R)/2 from the centre of a charged ...
Text Solution
|
Four point +ve charges of same magnitude (Q) are placed at four corner...
Text Solution
|
A thin semi-circular ring of radius r has a positive charge q distribu...
Text Solution
|
Three positive charges of equal value q are placed at the verticles of...
Text Solution
|
A Gaussian surface in the fig. is shown by dotted line. The electric f...
Text Solution
|
The length of each side of a cubical surface is l. If charge q is situ...
Text Solution
|
A positively charged body 'A' has been brought near a neutral brass sp...
Text Solution
|
Inside a charged hollow spherical conductor. the potential :-
Text Solution
|
Equal charges q are placed at the three corners B, C, D of a square A...
Text Solution
|
Charges are placed on the verticles of a as shown. Let vec(E) be the e...
Text Solution
|
The variation of potential with distance r from a fixed point is shown...
Text Solution
|
Three charges Q, +q and +q are placed at the vertices of a right angle...
Text Solution
|