[SI-LIST] Question: Energy X'mit Directions of Maxwell's eq.s
- From: ikanno@xxxxxxxxxxxxxxxx
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 24 Dec 2002 17:41:29 +0900
Dear everyone,
It's X'mas, so please forgive me to ask a very basic
question about X'mission direction of holly Maxwell's equations.
I want to ask the transmission direction of energy,
of two rotational equations, which no text book says.
I think the directions are implicit, but exists, hiddenly
described by "rot"operator, such as;
rot H --> J + dD/dt
rot E--> - dB/dt
I will be pleasured if everyone send me the advises,
OK , reverse, nonsense, or it is profanity etc...
Does anyone know the discussion on direction of MAXWELL's eq.s?
I prefer above directions , because especially in the case of
DC conductive current, "rot H makes J (sigma*E) ",
seems to me , will explain the Amper's DC law visually.
Internally in the conductor, ExH shows a strange direction;
towards the radial center of wires. Why DC current can proceed
in/on wires?
The H in the air side, seems to me, provides the energy
to the DC conductive current(?).
And please remember Maxwell's relaxzation time ,
a very very small response delay time of electrons to
follow E after stopping random-walking. J has a delay.
I should have a barbarity to imagine Amper's law as if it describes
"result status" , though Viot-Savart law says J makes H... (source).
Anyway, small joke in X'mas. ( Arrow or = , that's a question. )
Have a nice X'mas !
Regards,
Izuru Kanno
Sun Corp. Japan
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