Questions tagged [electron]
Anything related to the behavior and properties of electrons, i.e. the elementary subatomic particles accounting for electrical conduction in most solid materials, especially metals.
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Can a photon be modeled using AC driven electron and AC driven wire loop?
Can a photon ("electromagnetic wave packet") be simulated in software as an electron bouncing up and down (for the oscillating E field) and a loop of electrons with neutralized electrostatic ...
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Carrier concentrations versus temperature and doping in Matlab
I am currently self studying structure of semi-conductors and I would like to make a graph in Matlab of the number of carriers as a function of temperature and doping. Let's say that I am testing ...
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Deflection of current in a metal plate conductor
If I have a metal plate (square in shape) and an electric current moves from one side to the other. I understand that most of the current will take the path of least resistance but all paths will be ...
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How to calculate the diffusion length in modulation doping?
I have read a paper about an application of modulation doping in bulk thermoelectric materials. In this paper, the nanoparticles diffuse carriers into the host materials, and I want to estimate the ...
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Why do electrons move in a circuit? [closed]
I am trying to make sense of why electrons move in a circuit.
I did my research and the first answer I got is because of the difference of electric potential between the two points of the battery that ...
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Current in BJT at EBJ and its mechanism about Diffusion and Drift Current
I have seen this post and I'm still confused about what mechanism would be applied on majority carrier, and it seems to me that the post I cite only explain about how the minority carrier move from ...
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How I can use light to control of amplifier?
I want to make a car that I can control by light, and I thought of using a photoresistor and a light sensor to control the amplifier to make it perform two functions.
The first function is to make the ...
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Is it possible to make cathode ray or electron gun without a vacuum?
I stumbled upon this picture on the internet here is the link
https://www.reddit.com/r/ElectroBOOM/comments/16azeq5/cathode_ray_succesfully_shooting_a_plasma_beam_in/
I wasn't able to get info from ...
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Propagation speed and capacitors charging speed of transmission line
I am a bit confused on the speed of voltage propagation in the transmission line and I hope someone can enlighten me. I understand the speed of step up voltage propagation is in the same order as the ...
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Why does the neon screwdriver (phase meter) light on just by touching the phase wire?
I had a question, can you answer it: as you can see in the picture I uploaded, the single-phase alternating current flows in one wire at one moment and in the next moment from another wire as in the ...
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Two power sources
Please consider a circuit with two loops where the two loops have a common part with a single resistor. There are two power supplies (or of it matters say these are voltage sources, like batteries, ...
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Is there a colour code for electron flow notation? [closed]
I'm building a power supply for electro-chemistry experiments. It would make more sense to have the output correctly denote which terminal is 'electro-negative' and which is 'electro-positive' instead ...
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Moving electrons on the surface of a thin metal sheet with high current
I don't know if this is the right place to ask this because my question is a mix of physics and electronics. I'm in 12 grade, and wish to conduct a simple physics experiment.
I would like to observe ...
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Trying to understand electron flow in a rapid start ballast fluorescent light system
While looking into what is required to upgrade a fluorescent tube light to a LED solution, I found that I don't truly understand what is happening with existing fluorescent solutions.
I understand the ...
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Effective Mass of Electrons
In electronics, the fact that mobility of electrons is higher than the mobility of holes is frequently used. How can we explain this using effective mass of electrons and holes ?
