What is the function of circuit breakers in power systems?

Practice Questions

Q1
What is the function of circuit breakers in power systems?
  1. To increase voltage
  2. To protect electrical circuits from overload
  3. To convert AC to DC
  4. To store energy

Questions & Step-by-Step Solutions

What is the function of circuit breakers in power systems?
  • Step 1: Understand that circuit breakers are safety devices used in electrical systems.
  • Step 2: Know that they monitor the flow of electricity in a circuit.
  • Step 3: Learn that if the electricity 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 to the circuit and connected devices.
  • Step 5: Remember that this interruption helps to keep people and equipment safe from electrical hazards.
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