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Results tagged with electricity
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user 8480
The study of the presence and flow of electric charge. Charges, currents, fields, potentials.
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What is lambda R in Richardson's Law?
I've got to calculate the thermionic emission through a diode, so I need to use Richardson's Law. However, one thing's got me confused - according to the Wikipedia page:
$$J = A_GT^2e^\frac{-W}{kt}$$ …
- 143
3
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Theory of Space Charge in a Planar Diode
A planar diode in a vacuum bulb can support current in only one direction. To even get current flowing, you have to heat up the cathode filament to excite the electrons. However, once current is flowi …
- 143