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:An alternating current supply is connected to an…The device in which one circuit controls another;…In a series R - C circuit, the resistance of the…An a.c circuit of e.m.f 12V has a resistor of…In the circuit diagram below, E is a battery of…