8. In a certain series resonant circuit, VC = 125 V, VL = 125 V, and VR = 40 V. The value of the source voltage is
A. 290 V
B. 125 V
C. 40 V
D. 250 V
8. In a certain series resonant circuit, VC = 125 V, VL = 125 V, and VR = 40 V. The value of the source voltage is
A. 290 V
B. 125 V
C. 40 V
D. 250 V