E8D01

What is the easiest voltage amplitude parameter to measure when viewing a pure sine wave signal on an oscilloscope?

  1. Peak-to-peak voltage

E8D02

What is the relationship between the peak-to-peak voltage and the peak voltage amplitude of a symmetrical waveform?

  1. 2:1

E8D03

What input-amplitude parameter is valuable in evaluating the signal-handling capability of a Class A amplifier?

  1. Peak voltage

E8D04

What is the PEP output of a transmitter that has a maximum peak of 30 volts to a 50-ohm load as observed on an oscilloscope?

  1. 9 watts

E8D05

If an RMS-reading AC voltmeter reads 65 volts on a sinusoidal waveform, what is the peak-to-peak voltage?

  1. 184 volts

E8D06

What is the advantage of using a peak-reading wattmeter to monitor the output of a SSB phone transmitter?

  1. It gives a more accurate display of the PEP output when modulation is present

E8D07

What is an electromagnetic wave?

  1. A wave consisting of an electric field and a magnetic field oscillating at right angles to each other

E8D08

Which of the following best describes electromagnetic waves traveling in free space?

  1. Changing electric and magnetic fields propagate the energy

E8D09

What is meant by circularly polarized electromagnetic waves?

  1. Waves with a rotating electric field

E8D10

What is the polarization of an electromagnetic wave if its magnetic field is parallel to the surface of the Earth?

  1. Vertical

E8D11

What is the polarization of an electromagnetic wave if its magnetic field is perpendicular to the surface of the Earth?

  1. Horizontal

E8D12

At approximately what speed do electromagnetic waves travel in free space?

  1. 300 million meters per second

E8D13

What type of meter should be used to monitor the output signal of a voice-modulated single-sideband transmitter to ensure you do not exceed the maximum allowable power?

  1. A peak-reading wattmeter

E8D14

What is the average power dissipated by a 50-ohm resistive load during one complete RF cycle having a peak voltage of 35 volts?

  1. 12.2 watts

E8D15

If an RMS reading voltmeter reads 34 volts on a sinusoidal waveform, what is the peak voltage?

  1. 48 volts

E8D16

Which of the following is a typical value for the peak voltage at a common household electrical outlet?

  1. 170 volts

E8D17

Which of the following is a typical value for the peak-to-peak voltage at a common household electrical outlet?

  1. 340 volts

E8D18

Which of the following is a typical value for the RMS voltage at a common household electrical power outlet?

  1. 120-V AC

E8D19

What is the RMS value of a 340-volt peak-to-peak pure sine wave?

  1. 120-V AC

 

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