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Practice quizzes / IMSA Bench Tech II Practice Questions - IMSA Traffic Signal Bench Technician Level II Certification Exam / Question 102279
Practice question

Which type of waveform is preferred for cabinet BBS inverter output to LED signal heads?

  1. Pure sine wave
  2. Square wave only
  3. Half-wave rectified
  4. DC

Answer: A — Pure sine wave

The correct answer is shown above. Try the full quiz for additional practice.

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