U= 200 V
L=1kJ
q-?
U=L/q=>q=L/U=1000 J/ 200 V=5 C
R/s: 5 C
q=N*e
5C=N*1,6*10^-19C=N=5C/1,6*10^-19C=5C*10^19/1,6=5*10^19/16*10^-1=5*10^20/16=3.125*10^19
Intensitatea curentului este de 3 x 10^5 W
1 ms = 1 s
Imparti 3 × 10^8 la 1 si iti da I = 3 x 10^8 W
* inmultirea
^ la putere
/ impartirea