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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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For a charge to have potential, why bring test positive charge closer to the point charge fr...
For a charge to have potential, why bring test positive charge closer to the point charge from infinity by keeping it in 'electrostatic equilibrium'? or bring the charge closer to the point charge w …