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What is the main advantage of using vacuum circuit breakers?

Practice Questions

Q1
What is the main advantage of using vacuum circuit breakers?
  1. Low cost
  2. High reliability and maintenance-free operation
  3. Large size
  4. High power factor

Questions & Step-by-Step Solutions

What is the main advantage of using vacuum circuit breakers?
  • Step 1: Understand what a vacuum circuit breaker is. It is a type of electrical switch that can open and close circuits using a vacuum environment.
  • Step 2: Learn about the vacuum environment. In a vacuum, there are no air particles, which helps prevent electrical arcs when the circuit is opened.
  • Step 3: Recognize the main advantage. Because there are no air particles, vacuum circuit breakers are very reliable and do not need much maintenance.
  • Step 4: Conclude that the main advantage of using vacuum circuit breakers is their high reliability and maintenance-free operation.
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