All Questions
Tagged with electricity electric-current
97
questions with no upvoted or accepted answers
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1
answer
144
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The flow of electric current
If positive charges have higher electric potential difference than negative charges then why the negative charges (electrons) are the one that are moving in a circuit? and to my knowledge the ...
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1
answer
399
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Not enough current to supply load
Are there cases where a power supply can offer xV, which is required by a device, but be unable to supply enough current?
For example, a voltage divider not only lowers voltage, but limits the ...
- 119
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1
answer
2k
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Impact of wire thickness on drift speed and number density of electrons
A source I am studying says that the average drift speed of electrons in a thicker wire is less than that in the thin wire. Wouldn't this contradict the fact that thicker wires imply less resistance ...
- 161
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2
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84
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Why do many animals die at the same time when lighting hits surroundings?
I have been reading about many cases in history of lighting striking and killing dozens even hundreds of animals, to be more specific quadruples, at the same time. Apparently this doesn't happen with ...
-1
votes
2
answers
102
views
electric current
How can positive charges flow in current?
I mean , we know that there is a particle called electron which can move but there is no such positively charged particle which can flow , there can be ...
-1
votes
1
answer
183
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How does the solar cell work?
I know that a solar cell consists of a transistor (NP). First step it creates a barrier between the n type and the p type junction. Then the sunlight (i.e, the photons) supply energy to the electrons ...
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1
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245
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Does AC-current reverse direction only in the main circuit (the powerplant-to-powerplant circuit)?
I'm trying to "see" electrical-energy transfer, at every viewing elevation (from the femto-scopic level to the macro-scopic level), all the way from the power-plant to the application.
The question ...
