Which of the following represents pure capacitive reactance of 100 ohms in rectangular notation?

1. A 0 - j100
2. B 0 + j100
3. C 100 - j0
4. D 100 + j0

How are impedances described in polar coordinates?

1. A By X and R values
2. B By real and imaginary parts
3. C By magnitude and phase angle
4. D By Y and G values

Which of the following represents a pure inductive reactance in polar coordinates?

1. A A positive 45 degree phase angle
2. B A negative 45 degree phase angle
3. C A positive 90 degree phase angle
4. D A negative 90 degree phase angle

What type of Y-axis scale is most often used for graphs of circuit frequency response?

1. A Linear
2. B Scatter
3. C Random
4. D Logarithmic

What kind of diagram is used to show the phase relationship between impedances at a given frequency?

1. A Venn diagram
2. B Near field diagram
3. C Phasor diagram
4. D Far field diagram

What does the impedance 50 - j25 ohms represent?

1. A 50 ohms resistance in series with 25 ohms inductive reactance
2. B 50 ohms resistance in series with 25 ohms capacitive reactance
3. C 25 ohms resistance in series with 50 ohms inductive reactance
4. D 25 ohms resistance in series with 50 ohms capacitive reactance

Where is the impedance of a pure resistance plotted on rectangular coordinates?

1. A On the vertical axis
2. B On a line through the origin, slanted at 45 degrees
3. C On a horizontal line, offset vertically above the horizontal axis
4. D On the horizontal axis

What coordinate system is often used to display the phase angle of a circuit containing resistance, inductive, and/or capacitive reactance?

1. A Maidenhead grid
2. B Faraday grid
3. C Elliptical coordinates
4. D Polar coordinates

When using rectangular coordinates to graph the impedance of a circuit, what do the axes represent?

1. A The X axis represents the resistive component, and the Y axis represents the reactive component
2. B The X axis represents the reactive component, and the Y axis represents the resistive component
3. C The X axis represents the phase angle, and the Y axis represents the magnitude
4. D The X axis represents the magnitude, and the Y axis represents the phase angle

Which point on Figure E5-1 best represents the impedance of a series circuit consisting of a 400-ohm resistor and a 38-picofarad capacitor at 14 MHz?

1. A Point 2
2. B Point 4
3. C Point 5
4. D Point 6

Which point in Figure E5-1 best represents the impedance of a series circuit consisting of a 300-ohm resistor and an 18-microhenry inductor at 3.505 MHz?

1. A Point 1
2. B Point 3
3. C Point 7
4. D Point 8

Which point on Figure E5-1 best represents the impedance of a series circuit consisting of a 300-ohm resistor and a 19-picofarad capacitor at 21.200 MHz?

1. A Point 1
2. B Point 3
3. C Point 7
4. D Point 8