1.
What are the two main applications for ac?
A. direct, pulsating
B. electric, magnetic
C. power, information
D. static, dynamic
Answer: Option C
Explanation:
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2.
The distance that a signal’s energy can travel in the time it takes for one cycle to occur is called the signal’s:
A. amplitude
B. frequency
C. wavelength
D. period
Answer: Option C
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3.
One oscilloscope selector knob that allows the major and minor divisions of the graticule to be used to determine a signal amplitude value is called the:
A. time/cm control
B. position control
C. intensity control
D. volts/cm control
Answer: Option D
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4.
If current varies periodically from zero to a maximum, back to zero, and then repeats, the signal is:
A. direct
B. alternating
C. pulsating
D. repetitive
Answer: Option C
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5.
What voltage will an ac voltmeter display?
A. rms
B. average
C. peak
D. peak-to-peak
Answer: Option A
Explanation:
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