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Thats true if you stop the time. If that happens you'll "see" a wave with that wavelength.
If you "stop the distance" (ie. you measure at a fixed point) you'll see a wave oscilating
from Vmin to Vmax at 50Hz.
Remember the wave is moving. At what speed?
Yes, the area of the coil is the hollow part :), also the plane of the coil, so it has a normal, a perpendicular to that area.
When the coil rotates, the area that the magnetic field crosses changes, so the flux changes.
Hi, i'd do this :
give -q charge to one surface and q to the other ...
then calculate the potential difference between this two surface due the charge
(it'll be something like constant times q) then knowing Δv and q you get c = q/Δv(q) (Δv(q) = constXq) ... hope it works
Do you mean
\[\int_{0}^{1}x\frac{d^{n}}{dx^{n}}(x^{2} -1)^{n}dx\] ?
if so first expand \[(x^{2} -1)^{n}\] as a sum (remember binomial expan? then apply differentiation then int. Or just learn about lengendre polynomials ...
Hi, i don't know what you want, but take a look at this book for an introduction on
capacitors and inductors
JR Reitz and FJ Milford, FOUNDATIONS OF ELECTROMAGNETIC THEORY.
If you want to know how the equations are obtained (ie cv = q and v = ldi/dt), for ex the eq of capacitor, it comes...
Perhaps you are talking about vacuum energy. It has something to be with the energy of an harmonic oscillator ( and the energy of a EM field at frecuency w with n photons, is also an harmonic oscillator)
\[E_{n} = \hbar \omega (n + \frac{1}{2})\]
son when there 's no photons (ie zero energy =...
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