New TPU build

[Grumpy]

Increased voltage results in increased electron drift velocity V_D, which is typically quite slow.

The number of electrons flowing in parallel is influenced by the cross-sectional area of the conductor.

Besides physical dimension, what else affects the effective cross-sectional area of a conductor?

What does this imply for DC, AC and sharp transient inputs?

If there are implications, how does it affect drift velocity, if at all?

Would it be possible to achieve V_D=c ?

.99

Current is proportional to drift velocity.

V_D=c would make for a very very large current.

Density of the material (particle density) and the resistance of the material affects drift velocity.  This all boils down to the current density and if this is too high for the conductor, bad things happen.

DC is a slow drift, AC is a drift back and forth (to and fro), and a transient probably is too fast for the drift to start and any current associated with the transient is a different form of current.  Total current is the sum of all currents.

I don't think it is possible to make electrons move a "c" in a conductor, even a super-conductor, and if you did make them move this fast, it might not bee a good thing.

There are other ways to produce a current that does not have these limitations.

[tsl]

Current is proportional to drift velocity.

V_D=c would make for a very very large current.

Density of the material (particle density) and the resistance of the material affects drift velocity.  This all boils down to the current density and if this is too high for the conductor, bad things happen.

DC is a slow drift, AC is a drift back and forth (to and fro), and a transient probably is too fast for the drift to start and any current associated with the transient is a different form of current.  Total current is the sum of all currents.

I don't think it is possible to make electrons move a "c" in a conductor, even a super-conductor, and if you did make them move this fast, it might not bee a good thing.

There are other ways to produce a current that does not have these limitations.

I think we all agree with you.But still there can be something moving at "c" and that's not electrons.

[Grumpy]

Current is proportional to drift velocity.

V_D=c would make for a very very large current.

Density of the material (particle density) and the resistance of the material affects drift velocity.  This all boils down to the current density and if this is too high for the conductor, bad things happen.

DC is a slow drift, AC is a drift back and forth (to and fro), and a transient probably is too fast for the drift to start and any current associated with the transient is a different form of current.  Total current is the sum of all currents.

I don't think it is possible to make electrons move a "c" in a conductor, even a super-conductor, and if you did make them move this fast, it might not bee a good thing.

There are other ways to produce a current that does not have these limitations.

I think we all agree with you.But still there can be something moving at "c" and that's not electrons.

I have found very few that agree with me.  They can be counted on one hand.

Why does anything have to "move"?

Also, I'd venture a guess that "velocity" is not the only important factor.

[tsl]

I have found very few that agree with me.  They can be counted on one hand.

Agree on that too

Why does anything have to "move"?

Why?That's a good point.It's all dynamics.It have to.

Also, I'd venture a guess that "velocity" is not the only important factor.

That's also correct

[Grumpy]

Why does anything have to "move"?

Why?That's a good point.It's all dynamics.It have to.

Also, I'd venture a guess that "velocity" is not the only important factor.

That's also correct

Does anything physical move?

What other factors are important?