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What is the primary purpose of circuit breakers in switchgear?

Practice Questions

Q1
What is the primary purpose of circuit breakers in switchgear?
  1. To regulate voltage
  2. To protect electrical circuits from overloads
  3. To convert AC to DC
  4. To measure current

Questions & Step-by-Step Solutions

What is the primary purpose of circuit breakers in switchgear?
  • 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 becomes too high (overload) or too low (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.
  • Step 5: Conclude that the primary purpose of circuit breakers is to protect electrical circuits from damage.
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