Questions tagged [electricity]
The study of the presence and flow of electric charge. Charges, currents, fields, potentials.
4,128 questions
1
vote
0
answers
34
views
Does Electricity Reverberate?
If I touch a charged wire to a large, electrically conductive and isolated plate, then for all practcal matters every point on the plate will be at the same voltage relative to ground as the end of ...
- 143
1
vote
1
answer
57
views
Working mechanism of galvanic cell and the potential difference and electric field produced by it
I have seen videos and texts on how a galvanic cell works ( the Zn+2 and Cu example ) .But i have few doubts in the concept :
I have seen texts mentioning the redox reactions are spontaneous . what ...
- 29
0
votes
2
answers
61
views
Overload, over current, short circuit?
Possibly duplicate Is short circuit technically the same as overloading?
Well, when i search through google, all three give the same explanation as it is a excessive amount of current pass through ...
- 409
2
votes
2
answers
69
views
How does the triboelectrically gained charge travel from soles of insulating shoes to the body?
I see people talking about the human body being conductive. That's not enough to move the charge from the bottom of insulating soles to the body.
Edit for details:
Friction can cause a transfer of ...
1
vote
3
answers
147
views
How does a resistive ballast work to limit the current through a gas discharge lamp?
If the current across the lamp, I1 rises, so will the current across the ballast I2, as the ballast is in series with the ballast. This should result in a greater voltage across the ballast, V2 , ...
- 107
0
votes
1
answer
153
views
I thought lighting always makes sounds when it strikes something, am I wrong?
I was recording a storm on video and saw a very bright flash of light right in my backyard that was not attributed to a strike. Curious about what it was, I went back and did slo-mo on it, and it was ...
-1
votes
3
answers
169
views
How "instantaneous" does energy to the grid has to be provided? [closed]
It is often sad that energy must be used pretty much the instant it is created. But is it true? Obviously it is an approximation, there are large turbines that keep spinning even if no new energy is ...
- 548
0
votes
0
answers
176
views
How does lightning interact with solid particles in the air?
I tried searching on the internet but could not find any information on how lightning interacts with solid particles
in the air, apart from ice crystal collisions possibly playing a role in initiating ...
- 107
5
votes
3
answers
2k
views
If photons are the carriers of the electromagnetic force, why isn't electricity made of photons?
If photons are the carriers of the electromagnetic force, why isn't electricity made of photons?
Or, why isn't every electromagnetic effect described in terms of photons, if they are the ones carrying ...
- 185
0
votes
1
answer
241
views
Working principle of Van de Graaff generator revisited
I have a few questions about principle how van de Graaff generator works. To avoid confusion I will use numbering from the wiki picture:
[ADDED LATER #1] See also here for nearly identical ...
- 1,781
2
votes
1
answer
271
views
Is it possible to generate electricity from muons instead of photons?
I understand that solar panels generate electricity by converting photons from sunlight. This made me wonder whether it would be possible to use other types of cosmic radiation, such as muons, to ...
0
votes
2
answers
104
views
Touching a conductor carrying eddy current
When we touch a conductor with eddy current flowing on it, will we get a shock?
Because in my opinion there's an induced EMF due to which eddy current flows (assume the conductor is in the region ...
1
vote
0
answers
176
views
Semiconductors and holes
Hello I am a 12th grade student preparing for Jee and just started learning about semiconductors, I wanted to ask that in pure silicon semiconductors, when a electron is released and goes into the ...
- 11
9
votes
4
answers
1k
views
Could lightning occur in fog or mist?
In the article What's the Difference Between Fog and Clouds? it says:
Clouds and fog both form when water vapor condenses or freezes to form tiny droplets or crystals in the air, but clouds can form ...
- 593
0
votes
3
answers
188
views
Charge as an intrinsic property of matter [duplicate]
Is charge an intrinsic property of matter? For example, I can induce a static charge and also we see ions which are charged. But from a fundamental aspect, is it an intrinsic property of a substance?
