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What is the function of a circuit breaker in a power system?

Practice Questions

Q1
What is the function of a circuit breaker in a power system?
  1. To increase voltage
  2. To protect against overloads
  3. To convert energy types
  4. To regulate frequency

Questions & Step-by-Step Solutions

What is the function of a circuit breaker in a power system?
  • Step 1: Understand that a circuit breaker is a safety device in electrical systems.
  • Step 2: Know that it monitors the flow of electricity in a circuit.
  • Step 3: Learn that if the current flow is too high (overload) or if there is a fault (short circuit), the circuit breaker will act.
  • Step 4: Realize that the circuit breaker interrupts the flow of electricity to prevent damage.
  • Step 5: Remember that this helps protect both the electrical devices and the wiring from overheating or catching fire.
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