E5C01

In polar coordinates, what is the impedance of a network consisting of a 100-ohm-reactance inductor in series with a 100-ohm resistor?

  1. 141 ohms at an angle of 45 degrees

E5C02

In polar coordinates, what is the impedance of a network consisting of a 100-ohm-reactance inductor, a 100-ohm-reactance capacitor, and a 100-ohm resistor, all connected in series?

  1. 100 ohms at an angle of 0 degrees

E5C03

In polar coordinates, what is the impedance of a network consisting of a 300-ohm-reactance capacitor, a 600-ohm-reactance inductor, and a 400-ohm resistor, all connected in series?

  1. 500 ohms at an angle of 37 degrees

E5C04

In polar coordinates, what is the impedance of a network consisting of a 400-ohm-reactance capacitor in series with a 300-ohm resistor?

  1. 500 ohms at an angle of -53.1 degrees

E5C05

In polar coordinates, what is the impedance of a network consisting of a 400-ohm-reactance inductor in parallel with a 300-ohm resistor?

  1. 240 ohms at an angle of 36.9 degrees

E5C06

In polar coordinates, what is the impedance of a network consisting of a 100-ohm-reactance capacitor in series with a 100-ohm resistor?

  1. 141 ohms at an angle of -45 degrees

E5C07

In polar coordinates, what is the impedance of a network comprised of a 100-ohm-reactance capacitor in parallel with a 100-ohm resistor?

  1. 71 ohms at an angle of -45 degrees

E5C08

In polar coordinates, what is the impedance of a network comprised of a 300-ohm-reactance inductor in series with a 400-ohm resistor?

  1. 500 ohms at an angle of 37 degrees

E5C09

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

  1. The voltage or current associated with the resistive component

E5C10

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

  1. The voltage or current associated with the reactive component

E5C11

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

  1. The coordinate values along the horizontal and vertical axes

E5C12

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 line, what do you know about the circuit?

  1. It is equivalent to a pure resistance

E5C13

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

  1. Rectangular coordinates

E5C14

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

  1. Polar coordinates

E5C15

In polar coordinates, what is the impedance of a circuit of 100 -j100 ohms impedance?

  1. 141 ohms at an angle of -45 degrees

E5C16

In polar coordinates, what is the impedance of a circuit that has an admittance of 7.09 millisiemens at 45 degrees?

  1. 141 ohms at an angle of -45 degrees

E5C17

In rectangular coordinates, what is the impedance of a circuit that has an admittance of 5 millisiemens at -30 degrees?

  1. 173 + j100 ohms

E5C18

In polar coordinates, what is the impedance of a series circuit consisting of a resistance of 4 ohms, an inductive reactance of 4 ohms, and a capacitive reactance of 1 ohm?

  1. 5 ohms at an angle of 37 degrees

E5C19

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

  1. Point 4

E5C20

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?

  1. Point 3

E5C21

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?

  1. Point 1

E5C22

In rectangular coordinates, what is the impedance of a network comprised of a 10-microhenry inductor in series with a 40-ohm resistor at 500 MHz?

  1. 40 + j31,400

E5C23

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?

  1. Point 8

 

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