Mar 21, 2018 #1 Z zhorik21 Newbie level 6 Joined Sep 6, 2017 Messages 12 Helped 1 Reputation 2 Reaction score 1 Trophy points 3 Activity points 91 How to calculate the charge time of the capacitor in this circuit?
Mar 21, 2018 #2 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,158 Helped 4,868 Reputation 9,757 Reaction score 5,536 Trophy points 1,393 Activity points 168,346 Hi, R1 and R2 form the "source impedance" for the capacitor. They act as if they are in parallel. Thus R_t = 1/ ( 1/ R1 + 1/ R2) R_t x C gives tau. *** And the resulting (end) voltage: V_C = V1 x R1 / ( R1 + R2) Klaus
Hi, R1 and R2 form the "source impedance" for the capacitor. They act as if they are in parallel. Thus R_t = 1/ ( 1/ R1 + 1/ R2) R_t x C gives tau. *** And the resulting (end) voltage: V_C = V1 x R1 / ( R1 + R2) Klaus