Q.1

What term expresses the frequency of a rectangular wave?

  • Hz
  • period
  • PRF
  • PRT
Q.2

A sine wave reaches maximum positive voltage at:

  • 90°
  • 0°
  • –90°
  • 360°
Q.3

A square and a rectangular waveform appear to have a step voltage transition.

  • True
  • False
Q.4

The __________ is defined as the ratio of a pulse width (positive or negative pulse or cycle) to the overall period of time of the wave.

  • pulse width
  • duty cycle
  • phase shift
  • active ratio
Q.5

Signal comparisons may be most easily seen when using which item of test equipment?

  • spectrum analyzer
  • multimeter
  • function generator
  • dual trace oscilloscope
Q.6

The magnitude that an alternation varies from zero is called its:

  • altitude
  • amplitude
  • attitude
  • polarity
Q.7

What voltage will an ac voltmeter display?

  • rms
  • average
  • peak
  • peak-to-peak
Q.8

The rms value of a sine wave is .707 x peak-to-peak value/2.

  • True
  • False
Q.9

The rms value of a sine wave is .707 x peak-to-peak value/2.

  • True
  • False
Q.10

DC current transfers better over longer distances than ac current.

  • True
  • False
Q.11

What does the CRT oscilloscope display?

  • voltage and period
  • current and frequency
  • rms voltage and current
  • frequency and voltage
0 h : 0 m : 1 s