the difference between the electrostatic potentialof the positive end the negative end of an electric cell is the____________of the cell
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E. m. f of the cell (potetential), note that if q is negative, and its sigh should be used in the equation. Even the system consisting of a negative and a positive point-like charge has a negative potential energy. A negative potential energy means that work must be done against the electric field in moving the charges apart.
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