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Unformatted text preview: W V V V AB A B âˆ† â‹… âˆ’ = â‹… âˆ† â‹… âˆ’ = âˆ’ == âˆ’ â‰¡ âˆ† cos s V E âˆ† âˆ† âˆ’ = Electric Potential of a Point Charge â€¢ The value of electric potential at a distance r from a point charge q is given by â€“ This expression is derived using calculus â€“ It gives value of potential relative to that at infinite distance â€“ Equipotential surface is a spherical surface of radius r â€¢ The potential V is a scalar. It can have either positive or negative value, depending on the sign of Q. â€¢ For two or more point charges, the total potential at a given point is the algebraic sum of the potential due to each charge. â‹… â‹… + + = 2 2 1 1 r kq r kq V V=? + âˆ’ 1 q 2 q 1 r 2 r â€¢ q r Electric field lines + Equipotential Surface r kq V =...
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This note was uploaded on 12/06/2011 for the course PHYSICS 111&112 taught by Professor Unknown during the Spring '11 term at Ohio State.
 Spring '11
 UNKNOWN
 Electric Potential

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