Circuit Breaker Quiz
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Questions and Answers

What is the main function of a circuit breaker?

  • To interrupt current flow and protect equipment (correct)
  • To regulate voltage in electrical circuits
  • To increase the risk of fire in electrical systems
  • To replace fuses in electrical circuits

    • How does a circuit breaker differ from a fuse?

  • It is more expensive to install
  • It can handle higher voltage circuits
  • It is less effective in protecting against overcurrent
  • It can be reset to resume normal operation (correct)

    • What does OCPD stand for in the context of circuit breakers and fuses?

  • Operational Circuit Power Driver
  • Overload Current Prevention
  • Over Current Protection Device (correct)
  • On-Call Power Distribution

    • What was the early form of circuit breaker described by Thomas Edison in an 1879 patent application?

    <p>A device to protect lighting circuit wiring</p> Signup and view all the answers

    What range of circuits can circuit breakers be designed to protect?

    <p>From low-current circuits to high voltage circuits feeding an entire city</p> Signup and view all the answers

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