The electric potential at point is and at is

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

The electric potential at point AA is 20 V20\,\mathrm{V} and at BB is −40 V-40\,\mathrm{V}. Find the work done by an external force and by the electrostatic force in moving an electron slowly from BB to AA.

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