Practice question

A school bus uses a strobe lamp power supply that converts:

  1. AC line voltage into 12V DC
  2. Low-voltage DC into high-voltage pulses to fire the flash tube
  3. Battery voltage into engine torque
  4. J1939 data into hydraulic pressure

Answer: B — Low-voltage DC into high-voltage pulses to fire the flash tube

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Practice more: ASE S6 Electrical Electronic Systems (School Bus) Practice Questions - ASE S6 - Electrical Electronic Systems (School Bus) Certification Exam →