Electronics - Alternating Current vs Direct Current

Exercise :: Alternating Current vs Direct Current - General Questions

36. 

What is the waveform period of a square wave signal that horizontally covers 3 major divisions per cycle? (time/cm = 50 ms)

A. 50 ms
B. 100 ms
C. 150 ms
D. 200 ms

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

37. 

A sine wave has:

A. four quadrants
B. two alternations
C. one period
D. all of the above

Answer: Option D

Explanation:

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38. 

What is the peak-to peak voltage of a 56 Vrms ac voltage?

A. 158 V
B. 164 V
C. 82 V
D. 79 V

Answer: Option A

Explanation:

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39. 

One oscilloscope selector knob that allows the major and minor divisions of the graticule to be used to determine a waveform period is called a:

A. focus control
B. time/cm control
C. intensity control
D. volts/cm control

Answer: Option B

Explanation:

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40. 

What is the period of a 16 MHz sine wave?

A. 196 ns
B. 62.5 ns
C. 31.25 ns
D. 19.9 ns

Answer: Option B

Explanation:

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