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Old June 24th 05, 09:59 PM
Richard Harrison
 
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m wrote:
"If the waves have the ability to generate it, how can there be no volts
or amps in the wave?'

Good question. We know light, an EM phenomenon, travels to us over
zillions of miles and years through a medium of sparce and scattered
conduction when there is any. The answer is fields which need no
conduction, yet still exert action at a distance.

James Clerk-Maxwell speculated that the kind of current you have in a
capacitor, displacement current, which does not require electron
migration, was responsible for propagation in free space, no "aether"
necessary. Maxwell was right.

Two of Maxwell`s equations are called his field equations. The first
equation says that a changing magnetic field produces an electric field.
The second says that a changing electric field produces a magnetic
field.

That is the secret of electromagnetic radiation.

For more details see "Radio-Electronic Transmission Fundamentals" by B.
Whitfield Griffith, Jr. He explains dot products and contour integrals
too.

Best regards, Richard Harrison, KB5WZI

 
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