English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Gauss’S Law

Advertisements
Advertisements

Question

If Coulomb’s law involved 1/r3 dependence (instead of 1/r2), would Gauss’s law be still true?

One Line Answer
Advertisements

Solution

Gauss’s law will not be true, if Coulomb’s law involved 1/rdependence, instead of1/r2, on r.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Electrostatic Potential and Capacitance - Exercise [Page 90]

APPEARS IN

NCERT Physics Part I and II [English] Class 12
Chapter 2 Electrostatic Potential and Capacitance
Exercise | Q 2.31 (b) | Page 90

RELATED QUESTIONS

A spherical conductor of radius 12 cm has a charge of 1.6 × 10−7 C distributed uniformly on its surface. What is the electric field

  1. inside the sphere
  2. just outside the sphere
  3. at a point 18 cm from the centre of the sphere?

A 4 µF capacitor is charged by a 200 V supply. It is then disconnected from the supply and is connected to another uncharged 2 µF capacitors. How much electrostatic energy of the first capacitor is lost in the form of heat and electromagnetic radiation?


Define electrostatic potential at a point. Write its S.I. unit. Three-point charges q1, q2 and q3 are kept respectively at points A, B, and C as shown in the figure, Derive the expression for the electrostatic potential energy of the system.


Electric-field magnitude 'E' at points inside and outside a positively charged spherical conductor having charge Q and a radius R are ______.


If R is the radius of a spherical conductor, Vm the dielectric strength, then the maximum electric-field magnitude to which it can be raised is ______.


The electrostatic force between the metal plates of an isolated parallel plate capacitor C having a charge Q and area A, is ______.


There are two metallic spheres of same radii but one is solid and the other is hollow, then ______.

A conductor carries a certain charge. When it is connected to another uncharged conductor of finite capacity, then the energy of the combined system is ______.

Which of the following statement is true?


Which of the following statements is false for a perfect conductor?


Three Charges 2q, -q and -q lie at vertices of a triangle. The value of E and V at centroid of triangle will be ______.


A solid spherical conductor has charge +Q and radius R. It is surrounded by a solid spherical shell with charge -Q, inner radius 2R, and outer radius 3R. Which of the following statements is true?


A test charge q is made to move in the electric field of a point charge Q along two different closed paths (Figure). First path has sections along and perpendicular to lines of electric field. Second path is a rectangular loop of the same area as the first loop. How does the work done compare in the two cases?


Consider a finite insulated, uncharged conductor placed near a finite positively charged conductor. The uncharged body must have a potential:


A thin spherical shell is charged by some source. The potential difference between the two points C and P (in V) shown in the figure is:

(Take `1/(4 pi epsilon_0` = 9 × 109 SI units)


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×