1. In a CRT, the direction of electron beam deflection depends on the

A. type of inert gas that the tube contains.

B. amount of voltage that’s applied to the deflection plates.

C. size of the screen.

D. polarity of the voltage that’s applied to the deflection plates.

 

2. A scope’s time base is set to 0.05 ms per division. An AC waveform takes five divisions to complete one cycle. What is the frequency of the signal?

A. 4 kHz 

B. 6 kHz 

C. 8 kHz

D. 10 kHz

 

3. What is the frequency of an AC signal that takes 50 µs to complete one cycle?

A. 200 Hz 

B. 2 kHz 

C. 12 kHz

D. 20 kHz 

 

4. Which of the following scope probe connections should be used to make a measurement from an integrated circuit lead?

A. An extender on the probe 

B. A point-type probe contact 

C. A direct probe connection

D. A needle-tip probe

 

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