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Results tagged with energy
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user 351948
Energy is the conserved quantity associated to time-translation invariance and represents the work a system is capable of doing. Use this tag for questions about energy, and consider adding the [energy-conservation] tag if it is specifically about its conservation.
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Potential difference in a electric field
I understand that the line integral of the electric field is path-independent. If the source is a point charge of $q$, line integral $\int_{P_1}^{P_2} E\cdot ds$; the integral from $P_1$, $P_2$ which …
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