Electrostatic force | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-13

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Coulomb%27s_law


00:02:19 1 History
00:07:22 2 The law
00:09:48 2.1 Units
00:10:25 2.2 Electric field
00:11:07 2.3 Coulomb's constant
00:11:32 2.4 Limitations
00:13:31 2.5 Quantum field theory origin
00:13:51 3 Scalar form
00:14:01 4 Vector form
00:16:00 4.1 System of discrete charges
00:18:38 4.2 Continuous charge distribution
00:20:08 5 Simple experiment to verify Coulomb's law
00:36:07 6 Atomic forces
00:37:33 7 See also
00:39:56 8 Notes
00:41:16 9 References
00:41:21 10 External links
00:44:32 r − ri (a vector pointing from charges qi to q).
00:44:40 Continuous charge distribution
00:48:14 Simple experiment to verify Coulomb's law
00:50:30 Atomic forces
00:51:31 See also



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SUMMARY
=======
Coulomb's law, or Coulomb's inverse-square law, is a law of physics for quantifying Coulomb's force, or electrostatic force. Electrostatic force is the amount of force with which stationary, electrically charged particles either repel, or attract each other. This force and the law for quantifying it, represent one of the most basic forms of force used in the physical sciences, and were an essential basis to the study and development of the theory and field of classical electromagnetism. The law was first published in 1785 by French physicist Charles-Augustin de Coulomb.In its scalar form, the law is:

  
    
      
        F
        =
        
          k
          
            e
          
        
        
          
            
              
                q
                
                  1
                
              
              
                q
                
                  2
                
              
            
            
              r
              
                2
              
            
          
        
      
    
    {\displaystyle F=k_{e}{\frac {q_{1}q_{2}}{r^{2}}}}
  ,where ke is Coulomb's constant (ke ≈ 9×109 N m2 C−2), q1 and q2 are the signed magnitudes of the charges, and the scalar r is the distance between the charges. The force of the interaction between the charges is attractive if the charges have opposite signs (i.e., F is negative) and repulsive if like-signed (i.e., F is positive).
Being an inverse-square law, the law is analogous to Isaac Newton's inverse-square law of universal gravitation. Coulomb's law can be used to derive Gauss's law, and vice versa. The law has been tested extensively, and all observations have upheld the laws of Newton.