16.1 Electric Potential and Potential Energy

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Electric Potential and Electric Potential Energy

ELECTRIC POTENTIAL, POTENTIAL ENERGY, AND WORK
Electric Potential of a Point Charge	V=k_e q/r k_e = 8.99×10⁹N • m² / C² SI unit = V (volt)
Electric Potential Energy	PE = qV ΔPE = qΔV
Potential Difference in an Electric Field	ΔV = -Ed
Work Done by An Electric Field	W = -ΔPE = -qΔV W = 0 along an equipotential surface