When the rms voltages VL, VC and VR are measured respectively across the inductor L, the capacitor C and the resistor R in a series LCR circuit connected to an AC source, it is found that the ratio VL : VC : VR = 1 : 2 : 3. If the rms voltage of the AC source is 100 V, then VR is close to :
50 V
70 V
90 V
100 V
or
Option 1)
50 V
Incorrect
Option 2)
70 V
Incorrect
Option 3)
90 V
Correct
Option 4)
100 V
Incorrect
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