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Displacement Current actually does not exist, it is a theoretical misnomer. When we consider a Capacitor as a low Characteristic Impedance Transmission Line we can think of energy flow between the conductors (Parallel Plates) We see a TEM wave (ExH) moving at the speed of light for the medium. What Maxwell thought of as Displacement current is the ...


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Yes. The EMF ($\varepsilon$) (which gives rise to a current) in a closed loop is related to the flux ($\phi$) through that loop by: $$ \varepsilon=-\frac{d\phi}{dt}$$ (The negative sign signifies that the current generated opposes the change in flux.) The electric field linked to this flux circulates in the loop, and hence is non conservative. (contrary to ...


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Does Biot-Savart law apply in changing electric field or it needs a modification just like Ampere's law, to become as true as Maxwell's 4th equation? It does need modification. But it will never be the same as Maxwell, because Maxwell allows boundary conditions to determine the solutions, so it can allow electromagnetic waves. If you want to think of it ...


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The Biot-Savart law applies not only to static fields, but also to cases where the electric field can be expressed as gradient of potential. This is possible in cases where the currents change slowly enough (the frequency of oscillations is low). A.P. French, J.R. Tessman, Displacement Currents and Magnetic Fields, Am. J. Phys. 31, 201 (1962), ...


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My brother-in-law faced this EXACT problem, as he worked on high tension lines. There is a corona discharge from these lines due to the very high voltages involved. From experience, the linemen learned that this corona discharge is injurious to internal organs. To prevent injury, the linemen wear the Faraday cage suit, because such a suit keeps the ...


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Yes it would. Indeed it has been done as this is exactly what Fizeau's water tube experiment shows. The predicted magnitude of the effect is different for ether theories and special relativity, so the measurement can be used to show that SR is the correct description of the light propagation.



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