Multiple choice
1. Why should you use caution when measuring high-voltage inductive devices with an oscilloscope?
A. If the device shorts, a large current spike could destroy the probe.
B. The device may not be grounded.
C. The device can produce a very high voltage spike when it de-energizes.
D. High-voltage inductive devices produce electrical noise that can be displayed instead of the actual
waveform.
2. The connector that’s used to attach a probe to an input terminal of a scope is called a(n)
A. F-type connector.
B. T-type connector.
C. Phono style connector.
D. BNC connector.
3. If you’re preparing to make a measurement with a scope and you notice that the trace appears blurry and distorted, which of the following controls should you adjust?
A. The focus adjustment
B. The slope control
C. The level adjustment
D. The coupling switch
4. The deflection plates in a CRT are operated by a varying
A. current.
B. resistance.
C. power.
D. voltage.
12 years ago
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