Home
Class 12
PHYSICS
Define surface density of electric charg...

Define surface density of electric charge.
Two large conducting spheres carrying charges `Q_(1)` and `Q_(2)` are brought close to each other. Is the magnitude of the electrostatic force between them exactly given by `(Q_(1)Q_(2))/(4 pi epsilon_(0)r^(2))` where r is the distance betwen their centres?

Text Solution

Verified by Experts

Ist part: Surface charge density is the amount of electric charge per unit surface area.
2nd part: Na
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE (WBJEE)|13 Videos

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE ( JEE MAIN )|3 Videos

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise ENTRACNCE CORNER ( INTEGER ANSWER TYPE )|4 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|7 Videos

  • ELECTRIC POTENTIAL

    CHHAYA PUBLICATION|Exercise CBSE Scanner|13 Videos

Similar Questions

Explore conceptually related problems

Two large conducting sphere carrying charges Q_(1) and Q_(2) are brought close to each other. Is the magnitude of the electrostatic force between them exactly given by Q_(1) Q_(2) //4pi in_(0) r^(2) , where r is the distance between their centres ?

Two large conducting spheres carrying charges Q_1 and Q_2 are brought close to each other. Is the magnitude of the force between them exactly given by (Q_1Q_2) /(4 pi epsilon_0r^2) where r is the distance between their centres ?

Two charged conducting spheres of radii r_1 and r_2 connected to each other by a wire. Find the ratio of electric fields at the surface of the two spheres.

Two point charges q_1 and q_2 are such that q_1q_2 lt 0 . What is the nature of the force acting between the two charges?

The region in between charge Q_1 and Q_2 has three different media. Find out the force between Q_1 and Q_2 the total distance between the charges is r. Figure is given below

A metallic shell of inner radius a and outer radius b is carrying a charge Q. Another point charge -q is placed at the centre of the shell. Then the electrostatic potential of the shell is (k=1/(4piepsilon_0))

Two sphere M and N, having charge q_(1) and q_(2) are kept at some distance from each other.q amount of charge is taken from the sphere M and transferred ot the sphere N. What is the new charge of the two spheres so that the force acting between them becomes maximum?

Consider two hollow concentric spheres S_(1) and S_(2) enclosing charges 2Q and 4Q respectively as shown in figure. (i) Find out the ratio of the electric flux through them.

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