11. In a series RLC circuit, the RMS values of the voltages across R and L are measured as $V_{R,rms} = 100$ V and $V_{L,rms} = 50$ V, respectively. What would be the approximate RMS voltage of the capacitor voltage $V_c$?
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R
$V_R$
+
$V_{s,rms} = 200V/50Hz$
L
$V_L$
Figure 6: Question 11
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C $V_c$
C
(a) 50 V
(b) 123 V
(c) 223 V Correct answer
(d) Cannot be determined without knowing the values of R, L and C.
