Which of the following represents a capacitive reactance in rectangular notation?

How are impedances described in polar coordinates?

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

Which of the following represents a capacitive reactance in polar coordinates?

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

What does the impedance 50-j25 represent?

- 50 ohms resistance in series with 25 ohms inductive reactance
- 50 ohms resistance in series with 25 ohms capacitive reactance
- 25 ohms resistance in series with 50 ohms inductive reactance
- 25 ohms resistance in series with 50 ohms capacitive reactance

What is a vector?

- The value of a quantity that changes over time
- A quantity with both magnitude and an angular component
- The inverse of the tangent function
- The inverse of the sine function

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

When using rectangular coordinates to graph the impedance of a circuit, what does the horizontal axis represent?

- Resistive component
- Reactive component
- The sum of the reactive and resistive components
- The difference between the resistive and reactive components

When using rectangular coordinates to graph the impedance of a circuit, what does the vertical axis represent?

- Resistive component
- Reactive component
- The sum of the reactive and resistive components
- The difference between the resistive and reactive components

What do the two numbers that are used to define a point on a graph using rectangular coordinates represent?

- The magnitude and phase of the point
- The sine and cosine values
- The coordinate values along the horizontal and vertical axes
- The tangent and cotangent values

If you plot the impedance of a circuit using the rectangular coordinate system and find the impedance point falls on the right side of the graph on the horizontal axis, what do you know about the circuit?

- It has to be a direct current circuit
- It contains resistance and capacitive reactance
- It contains resistance and inductive reactance
- It is equivalent to a pure resistance

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

Which point on Figure E5-2 best represents the impedance of a series circuit consisting of a 400 ohm resistor and a 38 picofarad capacitor at 14 MHz?

Which point in Figure E5-2 best represents the impedance of a series circuit consisting of a 300 ohm resistor and an 18 microhenry inductor at 3.505 MHz?

Which point on Figure E5-2 best represents the impedance of a series circuit consisting of a 300 ohm resistor and a 19 picofarad capacitor at 21.200 MHz?

Which point on Figure E5-2 best represents the impedance of a series circuit consisting of a 300 ohm resistor, a 0.64-microhenry inductor and an 85-picofarad capacitor at 24.900 MHz?