E5C01:

Which of the following represents capacitive reactance in rectangular notation?

1. -jX
2. +jX
3. Delta
4. Omega

E5C02:

How are impedances described in polar coordinates?

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

E5C03:

Which of the following represents an inductive reactance in polar coordinates?

1. A positive magnitude
2. A negative magnitude
3. A positive phase angle
4. A negative phase angle

E5C04:

What coordinate system is often used to display the resistive, inductive, and/or capacitive reactance components of impedance?

1. Maidenhead grid
2. Faraday grid
3. Elliptical coordinates
4. Rectangular coordinates

E5C05:

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

1. Venn diagram
2. Near field diagram
3. Phasor diagram
4. Far field diagram

E5C06:

What does the impedance 50-j25 represent?

1. 50 ohms resistance in series with 25 ohms inductive reactance
2. 50 ohms resistance in series with 25 ohms capacitive reactance
3. 25 ohms resistance in series with 50 ohms inductive reactance
4. 25 ohms resistance in series with 50 ohms capacitive reactance

E5C07:

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

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

E5C08:

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

1. Maidenhead grid
2. Faraday grid
3. Elliptical coordinates
4. Polar coordinates

E5C09:

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

1. The X axis represents the resistive component and the Y axis represents the reactive component
2. The X axis represents the reactive component and the Y axis represents the resistive component
3. The X axis represents the phase angle and the Y axis represents the magnitude
4. The X axis represents the magnitude and the Y axis represents the phase angle

E5C10:

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. Point 2
2. Point 4
3. Point 5
4. Point 6

E5C11:

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. Point 1
2. Point 3
3. Point 7
4. Point 8

E5C12:

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. Point 1
2. Point 3
3. Point 7
4. Point 8