Question
What item of test equipment contains horizontal and vertical channel amplifiers?
Answer Options
- A) An ohmmeter
- B) A signal generator
- C) An ammeter
- D) An oscilloscope
Correct Answer: D
Explanation
An oscilloscope is a fundamental piece of electronic test equipment used to observe and analyze waveforms. To visually represent a waveform on the screen, the oscilloscope uses two sets of internal amplifiers: the horizontal channel amplifier (which controls the time base) and the vertical channel amplifier (which controls the voltage/amplitude display).
These horizontal and vertical channel amplifiers process the input signals and apply them to the deflection plates of the screen (or the digital equivalent in modern scopes). This capability allows the oscilloscope to display the dynamic characteristics of electrical signals, such as voltage changes over time.
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