General Physics 2 Notes Rutgers PDF

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This is detailed notes from General Physics 2...

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General'Physics'2'Notes'Rutgers' Electric'Potential'and'Electric'Potential'Energy' Electric'Potential'and'Potential'Energy' The'electric'potential'(va)'at'a'point'(a)'is'defined'as'the' electric'potential'energy'EPEa'per'unit'charge(q)'placed'at'that' point.' Va'='Epea/q'–'Epea='qVa' Electric'Potential'Due'to'a'Point'Charge' The'electric'potential'due'to'a'point'charge'at'a'distance'(r)' from'the'charge'is'given'by'' V='kq/r' Note'that'the'zero'potential'is'arbitary'chosen'to'be'at'infinity' Units'The'Si'unit'of'electric'potential'the'voit,'where'IV'='IJ/C' Lecture'Problem'1' a) V'='v1'+v2+v3+v4' b) V='Kq1/r+Kq2/r+kq3/r+kq4/r' c) V-'4k'q1/r' d) V'='v1+v2+v3+v4' Work'done'by'electric'forces'' When'a'charged'particle'moves'in'a'region'if'space'where'an' electric'field'is'present'the'electric'field'experts'a'force'on'the' particle'and'thus'does'work.'Notice'that'the'work'done' depends'only'on'the'initial'and'final'potential'energy.'This'is' due'to'the'fact'that'electric'force'is'a'conservative'force' Wfe'='-trainglePE'='-(Epe+'-'EPEl)'Wc='-trianglePE' Wfe='-q(Vf-Vi)'

Electron'Volt'' An'electric'volt'(ev)'is'unit'of'energy'that'is'gained'by'an' electron'which'is'accelerated'through'a'potential'difference'of'l' volt''...