All Questions
4
questions
1
vote
2
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185
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How is the total energy conserved when an electron moves through a plate capacitor and gets accelerated?
We assume that the electron enters the plate capacitor with a constant velocity. If we also assume that the electric field is homogeneous and edge effects can be neglected, a force along the y-axis ...
- 47
1
vote
2
answers
109
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For capacitors, why does the dielectric need to be inserted at a small constant speed?
Likely a very silly question.
I am aware that there is an attractive force from a charged parallel-plate capacitor in an open circuit without battery pulling the dielectric in, and that a decrease in ...
- 13
0
votes
0
answers
154
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Where does the energy go when I short a capacitor? [duplicate]
Please, help me find the mistake in this line of thought, or solve the inevitable question at the end. 🙂
suppose there are two facing plates with different charge $Q_1$ and $Q_2$
these two plates ...
- 101
10
votes
4
answers
4k
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Where does the extra energy come from in an LC circuit?
In an LC circuit, or an LC tank, the capacitor discharges in one direction
through an inductor and then the inductor seems to carry energy in the form of a magnetic field , to charge the capacitor ...
- 607