In an experiment, 200 V A.C. is applied at the ends of an LCR circuit. The circuit consists of an inductive reactance (XL) = 5W n, capacitive reactance (XC) = 5W n and ohmic resistance (R) = Ion. The impedance of the circuit is(a) 10 W(b) 20 W(c) 30 W(d) 40 W