72. Electric Potential and Potential Energy

72. Electric Potential and Potential Energy - ~ E ( ~ r )...

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Electric Potential and Potential Energy Electric potential energy [1J]: Attribute of charge q in electric field ~ E ( ~ r ) U ( ~ r ) = - Z ~ r ~ r 0 ~ F · d~ s = - q Z ~ r ~ r 0 ~ E · d~ s Electric potential [1J/C=1V]: Attribute of space in the presence of field ~ E ( ~ r ) V ( ~ r ) = U ( ~ r ) q = - Z ~ r ~ r 0 ~ E · d~ s Work [1J]: done by field
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Unformatted text preview: ~ E ( ~ r ) on charge q W if = q Z ~ r f ~ r i ~ E d~ s =-( U f-U i ) =- U Voltage [1V]: potential difference V = V f-V i =-Z ~ r f ~ r i ~ E d~ s =-W if q tsl72 p.1/1...
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This note was uploaded on 04/30/2008 for the course PHYS 204 taught by Professor Andrevantonder during the Spring '07 term at Rhode Island.

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