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Results tagged with electrostatics
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user 130818
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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Why a body must have free electrons to get charged by Induction process
If a body A needs to be charged by a charged body B by process of induction, then why it's necessary that A must be a conducting body or must have a free electron.
Also what is major difference betw …
- 293
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Force on the central charge
While solving some exercise questions of electrostatics, I come across a problem given in the image:
Also what will the force on central charge only due to the shell? …
- 293
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Potential at a point on axis of the ring [closed]
Suppose we have to find out potential $V$ at point $P$ in the given figure.
I know that it can be easily done as
$$dV=\frac{k×dq}{\sqrt{(x^2+a^2)}}$$ and integrating $dq$ to $Q$. Where $k$ is a const …
- 293
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Variation of Energy stored in capacitors with $Q$, $V$ and $C$ [closed]
I have a simple doubt that energy $(U)$ stored between two parallel plates of capacitance $C$, having charge $Q$ and applied potential is $V$ is given by three ways by formulas
● $U= \frac{C×V^2}{2}$ …
- 293
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Condition for Maximum Power in the circuit [duplicate]
Maximum Power is transferred to a load when load resistance is equal to internal resistance of source.
I want to know How ?
If I consider a source with internal resistance 'R' ,connected with resista …
- 293