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Energy radiated by a parallel plate capacitor
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[QUOTE="rude man, post: 4564404, member: 350494"] Not my field of expertise, so others may modify the following: The stored and dissipated energies do indeed compute to the same number. But these computations assume the quasi-stationary state. In reality, if you want to be really picky about it you'd have to start with the Maxwell relations modified for radiation. These include changing from del x [B]E[/B] = 0 to del x [B]E[/B] = -∂[B]B[/B]/∂t and from del x [B]H[/B] = [B]i[/B] to del x [B]H[/B] = [B]i [/B]+ ∂[B]D[/B]/∂t. You would then have to compute the Poynting vector [B]P[/B] = [B]E[/B] x [B]H[/B] and integrate it over a closed surface enveloping the entire circuit including the plates. Dn't ask me how that would be done. All I can tell you is that the answer is very, very close to zero for all practical applications.. [/QUOTE]
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Energy radiated by a parallel plate capacitor
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