3-B-017: Impedance Networks-2
3-17B1:
What is the impedance of a network composed of a 100-picofarad capacitor in parallel with a 4000-ohm resistor, at 500 KHz? Specify your answer in polar coordinates.
2490 ohms, /-51.5 degrees
2490 ohms, /51.5 degrees
4000 ohms, /38.5 degrees
5112 ohms, /-38.5 degrees
3-17B2:
In polar coordinates, what is the impedance of a network composed of a 100-ohm-reactance inductor in series with a 100-ohm resistor?
141 ohms, /45 degrees
121 ohms, /35 degrees
161 ohms, /55 degrees
181 ohms, /65 degrees
3-17B3:
In polar coordinates, what is the impedance of a network composed of a 400-ohm-reactance capacitor in series with a 300-ohm resistor?
500 ohms, /-53.1 degrees
240 ohms, /36.9 degrees
240 ohms, /-36.9 degrees
500 ohms, /53.1 degrees
3-17B4:
In polar coordinates, what is the impedance of a network composed of a 300-ohm-reactance capacitor, a 600-ohm-reactance inductor, and a 400-ohm resistor, all connected in series?
500 ohms, /37 degrees
400 ohms, /27 degrees
300 ohms, /17 degrees
200 ohms, /10 degrees
3-17B5:
In polar coordinates, what is the impedance of a network comprised of a 400-ohm-reactance inductor in parallel with a 300-ohm resistor?
240 ohms, /36.9 degrees
240 ohms, /-36.9 degrees
500 ohms, /53.1 degrees
500 ohms, /-53.1 degrees
3-17B6:
Using the polar coordinate system, what visual representation would you get of a voltage in a sinewave circuit?
The plot shows the magnitude and phase angle.
To show the reactance which is present.
To graphically represent the AC and DC component.
To display the data on an XY chart.
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