What is the physical meaning of Maxwell equations

In summary, the conversation is discussing the physical meaning of Maxwell equations and the difference between conduction current and displacement current. The equations describe the behavior of electric and magnetic fields, with the divergence of D and B equal to charge density and zero respectively, and the curl of E and H equal to the rate of change of B and D plus current. There is also a discussion about the differences between conduction and displacement current, where displacement current does not follow Ohm's law and the divergence of an electric field indicates it is flowing.
  • #1
arassil
6
0
hello,

Help me to answer these questions:
Give the physical meaning of Maxwell equations (equations in the general case).

div D=ρ
div B=0
rotE=-∂B/∂t
rotH=∂D/∂t+J

i have second question:
What is the difference between conduction current and displacement current?
thankyou
 
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  • #2
Well, let's start with the physical meaning of the displacement and the operational effect of the divergence. What do you think of those two?
 
  • #3
displacement current does not
obey ohm's law

i do not have any ideas
 
  • #4
Truth be told, I don't see why you're not using the definition with E instead of D. What does the divergence of a field tell you about that field?
 
  • #5
the electric field
 

FAQ: What is the physical meaning of Maxwell equations

1. What are Maxwell equations?

Maxwell equations are a set of four fundamental equations that describe the behavior of electric and magnetic fields. They were developed by James Clerk Maxwell in the 19th century and are considered to be one of the most important contributions to the field of electromagnetism.

2. What is the physical meaning of Maxwell equations?

The physical meaning of Maxwell equations is that they describe how electric and magnetic fields interact with each other and with charged particles. They also explain how these fields propagate through space and can be manipulated by various materials.

3. Why are Maxwell equations important?

Maxwell equations are important because they provide a comprehensive understanding of electromagnetism, which is a fundamental force in the universe. They have been used to develop technologies such as electricity, radio, and telecommunications, and continue to be a crucial tool in modern physics and engineering.

4. What are the four Maxwell equations and their significance?

The four Maxwell equations are Gauss's law, Gauss's law for magnetism, Faraday's law, and Ampere's law. These equations describe the relationships between electric and magnetic fields, and how they are affected by sources such as charges and currents. They also show the symmetry between electric and magnetic fields and how they are interconnected.

5. How do Maxwell equations relate to other areas of physics?

Maxwell equations have connections to many other areas of physics, including relativity, thermodynamics, and quantum mechanics. They are also essential in understanding various phenomena such as electromagnetic radiation, which is the basis for many modern technologies. Additionally, Maxwell equations have been extended and generalized to describe other fundamental forces in the universe, such as the weak and strong nuclear forces.

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