Electric potential difference: - If point a is chosen as the reference point: U-NEalEa Thus,electric potential difference can expressed as Uba=Up-Ua In most cases,U is set as zero,when r approaches infinite
Electric potential difference: If point a is chosen as the reference point: Thus, electric potential difference can expressed as Uba=Ub -Ua In most cases, U is set as zero , when r approaches infinite
The unit of electric potential Volt(V) 1V=1J/C 1V/M=1N/C
The unit of electric potential Volt(V) 1V=1J/C 1V/M=1N/C
Electric potential distribution for field of one single charge U.-d-北 4πe,'a An8oYa
Electric potential distribution for field of one single charge o a a r q U 4