15. A current of 2.5 A flows through a series circuit consisting of a 100 Ω resistor and an unknown capacitor across a source of 460 V, 50 Hz. What is the value of the capacitive reactance?
A. Xc = 91.86 Ω
D. Xc = 184.0 Ω
B. Xc = 154.45 Ω
C. Xc = 39.19 Ω