Home
Class 12
PHYSICS
Two spherical conductors A(1) and A(2) o...

Two spherical conductors `A_(1)` and `A_(2)` of radii `r_(1)` and `r_(2)` are placed concentrically in air. The two are connected by a copper wire as shown in figure. Then, the equivalent capacitance of the system is

A

`(4piepsilon_(0)Kr_(1)r_(2))/(r_(2) - r_(1))`

B

`4piepsilon_(0)(r_(2) + r_(1))`

C

`4piepsilon_(0)r_(2)`

D

`4piepsilon_(0)r_(1)`

Text Solution

Verified by Experts

The correct Answer is:
C

N//a
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CAPACITOR

    BITSAT GUIDE|Exercise BITSAT archives|6 Videos
  • CURRENT ELECTRICITY

    BITSAT GUIDE|Exercise Bitsat Archives|26 Videos
  • ELECTRIC CHARGE

    BITSAT GUIDE|Exercise All Questions|28 Videos

Similar Questions

Explore conceptually related problems

Two conducting shells of radius a and bare connected by conducting wire as shown in figure. The capacitance of this system is :

Two spherical conductors A and B of radii a and b ( b gt a ) are placed concentrically in air. A is given charged +Q while B is earthed. Then the equivalent capacitance of the system is

Two spherical conductors A and B of radii R and 2R respectively are each given a charge Q. When they are connected by a metallic wire. The charge will

There are two concentric conducting shells of radius R, 2R respectively. Charge on each surface is as shown in the figure. Equivalent capacitance of this system is:

Two spherical conductors of radii R_1 and R_2 are separated by a distance much larger than the radius of eighter sphere. The spheres are connected by a conducting wire as shown in (Fig. 3.128). If the charges on the spheres in equilibrium are q_1 and q_2 , respectively, what is the ratio of the field strength at the surfaces of the spheres ? .

Two concentric spherical sheels are as shown in figure. The V - r graph will be as

Two concentric co - planar circular loops of radius R and r (lt lt R) are placed as shown in the figure. The mutual inductance of the system will be