All Questions
5
questions
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What is the exact mechanism of flow of electricity? [duplicate]
When a steady current
flows through a conductor, the electrons in it move with a certain average ‘drift speed’.
One can calculate this drift speed of electrons for a typical copper wire carrying a
...
user223406
45
votes
5
answers
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Speed of light vs speed of electricity
If I arranged an experiment where light raced electricity what would be the results? Let's say a red laser is fired at the same time a switch is closed that applies 110 volts to a 12 gauge loop of ...
- 4,711
3
votes
2
answers
1k
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How is the speed of electricity determined?
Before I am told this is a duplicate, I'd like to be specific here. I have searched online for an answer regarding the speed of electricity in general and haven't found what I'm looking for. Even in ...
4
votes
3
answers
22k
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How can I calculate the wave propagation speed in a copper wire?
First of all: I am a computer science student, so I don't have much knowledge of physics. So please keep your answers simple.
I recently learned something about circuit design and its problems (...
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11
votes
4
answers
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Is a signal traveling through fiber faster than a signal traveling through copper?
Does the transmission medium affect the speed of a signal? For instance does light traveling through a fiber cable get a bit from $A \implies B$ faster than copper can transmit a bit the over the same ...
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