Machine-translated by Google. Questions are authored in English.
Top

Discussion

A thermocouple instrument is particularly suited to

  • A.the measurement of very small direct currents
  • B.high-voltage measurement without drawing current
  • C.measuring the average value of a rectified waveform
  • D.radio frequency current measurement

Answer: D

Correct answer: radio frequency current measurement

A thermocouple instrument measures the heating effect, which depends on the true rms value and is unaffected by frequency up to very high values - the heater has no appreciable inductance or capacitance. That makes it the classical instrument for radio frequency current, where other movements fail entirely.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.