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Electrotehnica-SEM_OEM2

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — OEM2-EN-Masuratori(A) — Electrotehnica-SEM_OEM2” contains 19 questions across 1 collection.

Learning

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Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

A signal displayed on the calibrated time base of the oscilloscope covers 1 cycle in 10 DIV with the TIME/DIV control set at 20 ms. The waveform frequency is:

One correct answer

  • 20 Hz.
  • 15 Hz.
  • 12 Hz.
  • 5 Hz.✓ Correct answer
A milliammeter is designed measure:

One correct answer

  • higher values of current than an ammeter does.
  • lower values of current than an ammeter does.✓ Correct answer
  • DC current only.
  • AC current only.
The control of a signal generator used to adjust the voltage value of the output signal is:

One correct answer

  • the vernier control.
  • the amplitude control.✓ Correct answer
  • the function selector.
  • the frequency selector.
The waveform displayed on the screen of the oscilloscope represents a plot of:

One correct answer

  • voltage versus time.✓ Correct answer
  • voltage versus current.
  • current versus time.
  • current versus resistance.
A digital storage scope allows you to:

One correct answer

  • display a signal.
  • store a signal.
  • analyze a signal.
  • all of these✓ Correct answer

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