The opposition offered to an alternating current in a C-R series circuit is known as? by Sunday | Jan 24 | Physics WAEC | 0 comments A. impedance B. resistance C. reactance D. friction Correct Answer: Option A A. impedance Users Also Read These:A cell of e.m.f. 1.5V and internal resistance of…The device in which one circuit controls another;…In an electric circuit; an inductor of inductance…An a.c circuit of e.m.f 12V has a resistor of…In alternating current circuit at resonance; the…