jj_02_06_003v_004 Casio fx-82NL
┘
Rb=Urb/Ib
Urb=U-Ub
= 12-2= 10V
Rb=URb/Ib
= 10V/20ľA = 500kO
10 20 -6 500000
ENG-notatie
500
exp3
= 500 Kohm
