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Dale's latest activity
Dale
reacted to
Rick16's post
in the thread
I
How to picture the vector potential?
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Like
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Thank you, I think I got it. If I have any vector field ##\vec v=\vec v(x,y,z)##, then in general the componentes would be ##v_x...
Yesterday, 7:46 AM
Dale
reacted to
ergospherical's post
in the thread
I
How to picture the vector potential?
with
Like
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Yes, in the general case ##\mathbf{A} = \mathbf{A}(x,y,z,t)## is some vector field that depends on position (and time), and you'll need...
Yesterday, 7:45 AM
Dale
reacted to
Karmyogi01's post
in the thread
I
Paradox of Superconductivity
with
Skeptical
.
The radiation resistance is supposed to be very small and does not change the logic in a fundamental way. The time constant (TC) does...
Yesterday, 7:42 AM
Dale
reacted to
Karmyogi01's post
in the thread
I
Paradox of Superconductivity
with
Skeptical
.
Thanks Dale for the info. So, this resistance would be a factor in the ramp up of voltage to V. If the ramp up is done very slowly, then...
Yesterday, 7:41 AM
Dale
reacted to
Karmyogi01's post
in the thread
I
Paradox of Superconductivity
with
Skeptical
.
Thanks for making my point! Yes, “hours” is not forever! However, the analysis says times required are likely to be much longer than...
Yesterday, 7:41 AM
Dale
replied to the thread
I
Paradox of Superconductivity
.
Agreed. You could design circuits with a superconducting component and a long time constant and you could design circuits with a...
Yesterday, 7:40 AM
Dale
replied to the thread
I
Paradox of Superconductivity
.
What analysis? All I have seen is your unfounded assertions to that effect. Indeed. Please do.
Friday, 8:42 PM
Dale
reacted to
Baluncore's post
in the thread
I
Paradox of Superconductivity
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Like
.
The physical arrangement of the circuit components will be important. You have not described the complete circuit. Depending on the...
Friday, 8:07 PM
Dale
reacted to
renormalize's post
in the thread
I
Paradox of Superconductivity
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.
You keep pointing to contrary "observations". To support that claim, please cite a scholarly reference that exhibits what is observed...
Friday, 8:06 PM
Dale
replied to the thread
I
Paradox of Superconductivity
.
Ramping up a MRI magnet is almost linear, it takes a few hours which is not almost forever, and I don’t see what you think is contrary...
Friday, 7:02 PM
Dale
replied to the thread
I
Paradox of Superconductivity
.
This depends on the geometry but is typically in the range of 50 to 300 ohms.
Thursday, 9:03 PM
Dale
replied to the thread
I
Paradox of Superconductivity
.
Hmmm. What makes you think that? Do you have a reference that shows an experiment where it doesn’t match?
Thursday, 6:53 PM
Dale
reacted to
Baluncore's post
in the thread
I
Paradox of Superconductivity
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Like
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The series R+L will need a return circuit, that has not yet been defined. In effect, R1+L1 is a transmission line operating against an...
Thursday, 6:43 PM
Dale
replied to the thread
I
Paradox of Superconductivity
.
As @renormalize mentioned, you have arbitrarily high frequencies for switching on an ideal source.
Thursday, 6:10 PM
Dale
reacted to
renormalize's post
in the thread
I
Paradox of Superconductivity
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Like
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Are you sure? The idealized version of "the power is turned on" is a step-function in time, which contains Fourier components with...
Thursday, 6:01 PM
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