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Results tagged with electrostatics
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user 268590
Electrostatics is concerned with the electrical fields and scalar potentials of stationary electrical charges and charge distributions. Use this for questions about electromagnetic situations in which currents and magnetic fields are absent, otherwise use the [electromagnetism] and/or [magnetic-fields] tags.
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Charge transfer from electrometer to metal ball
I was solving a physics problem wherein an electrometer was charged to certain volts and then it was brought in contact to a neutral metal ball, then metal ball was taken away and earthed. This proces …
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Evaluating the net force that the southern hemisphere of a uniformly charged sphere exerts o...
Find the net force that the southern hemisphere of a uniformly charged sphere exerts on the northern hemisphere.
I am perfectly aware that this question has been asked many times (here), but I am su …
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Accepted
Evaluating the net force that the southern hemisphere of a uniformly charged sphere exerts o...
So finally I understand my mistake as pointed out by @Triatticus that I have assumed the northern hemisphere as a point charge, and that is not correct. It requires to calculate the force using integr …
- 362
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Calculating surface charge density as a function of time
An infinitely large conducting sheet of thickness $d$ and of conductivity $\eta$ is uncharged. At an instant $t=0$, an external uniform and electric field $E$ is switched on. Due to this, the conduct …
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