1. An AC voltage source drives a sinusoidal current through two resistors.
The amplitude of the sinusoidal voltage across the top resistor is 4 V.
The amplitude of the sinusoidal voltage across the bottom resistor is 3 V.
What is the amplitude of the sinusoidal voltage provided by the source?
A] 0 V D] 7 V
B] 1 V E] 12 V
C] 5 V

2. An AC voltage source drives a sinusoidal current through a resistor and an inductor in series.
The amplitude of the sinusoidal voltage across the top resistor is 4 V.
The amplitude of the sinusoidal voltage across the bottom inductor is 3 V.
What is the amplitude of the sinusoidal voltage provided by the source?
A] 0 V D] 7 V
B] 1 V E] 12 V
C] 5 V

3. An AC voltage source drives a sinusoidal current through a capacitor and a resistor in series.
The amplitude of the sinusoidal voltage across the top capacitor is 4 V.
The amplitude of the sinusoidal voltage across the bottom resistor is 3 V.
What is the amplitude of the sinusoidal voltage provided by the source?
A] 0 V D] 7 V
B] 1 V E] 12 V
C] 5 V

4. An AC voltage source drives a sinusoidal current through a capacitor and an inductor in series.
The amplitude of the sinusoidal voltage across the top capacitor is 4 V.
The amplitude of the sinusoidal voltage across the bottom inductor is 3 V.
What is the amplitude of the sinusoidal voltage provided by the source?
A] 0 V D] 7 V
B] 1 V E] 12 V
C] 5 V