A charge q is distributed over the volume of a sphere of radius R. Assuming the permittivty to be equal to unity, compare the energy stored inside the

Monjur Alahi

A charge q is distributed over the volume of a sphere of radius R. Assuming the permittivty to be equal to unity, compare the energy stored inside the sphere with the energy pervading the surrounding space.
[Hint: `u=(1)/(2)epsilon_(0)E^(2).`]


0 like 0 dislike
1 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

Correct Answer - `1:5`

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
A conducting sphere of radius R carries a charge Q. It is enclosed by another concentric spherical shell of radius 2R. Charge from the inner sphere is

Correct Answer - `-(Q^(2))/(16pi in_(0)R)`

2 Answers 1 views
A solid sphere of radius R has total charge Q. The charge is distributed in spherically symmetric manner in the sphere. The charge density is zero at

Correct Answer - (a). `rho(r)=(Q)/(piR^(4))r` (b) `(Qr_(1)^(2))/(4pi in_(0)R^(4))`

2 Answers 1 views
A ball of radius R has a uniformly distributed charge Q. The surrounding space of the ball is filled with a volume charge density `rho=(b)/(r)` , wher

Correct Answer - (a). `Q=2pibR^(2)` (b). `E=(b)/(2epsilon_(0))`

2 Answers 1 views
Electric charge +q is iniformaly distributed over the entire volume of a sphere of radius r. Calculate the magnetic moment of the sphere if it spins a

Correct Answer - `(1)/(5)qwr^(2),(q)/(2m)`

2 Answers 1 views
A charge +Q is uniformly distributed over a thin ring of a radius R. Find the velocity of a negative point charge -Q at the moment it passes through t

Correct Answer - `v=sqrt(1/(4piepsi_0)(2Q^2)/(Rm)`

2 Answers 1 views
Calculate the self potential energy of charge q distributed over the surface of a hollow sphere of radius R. What happens to this self energy when R=0

Correct Answer - `(q^(2))/(8piepsilon_(0)R)`

2 Answers 2 views
A hollow metal sphere is charged with `0.4muC` of charge and has a radius of 0.1 find the potential (i) at the surface (ii) inside the sphere (iii) at

Correct Answer - 36 kV, 3kV, 6kV

2 Answers 9 views
Consider three identical metal spheres ` A, B` and `C`. Sphere `A` carries charge ` + 6q`, sphere `B` carries charge `-3q` and sphere `C` carries no c

Correct Answer - `2.25q`

2 Answers 4 views
A non-conducting sphere ofradius R has a positive charge which is distributed over its volume with density `rho= rho_(0)(1- (x)/(R))` per unit volume,

Correct Answer - `[(pirho_(0)^(2)R^(5))/(72 in_(0)) , (13pirho_(0)^(2)R^(5))/(630 in_(0))]`

2 Answers 1 views
The volume of a sphere (V) varies directly as the cube of its radius. The volume of the sphere of radius 3 cm is ` 36 pi cm^(3)`. What is the volume o

Correct Answer - ` 4500 pi cm^(3)`

2 Answers 1 views
X