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What is the power factor of an AC circuit with a phase angle of 60°? (2022)

Practice Questions

Q1
What is the power factor of an AC circuit with a phase angle of 60°? (2022)
  1. 0.5
  2. 0.866
  3. 1
  4. 0.707

Questions & Step-by-Step Solutions

What is the power factor of an AC circuit with a phase angle of 60°? (2022)
  • Step 1: Understand that the power factor is a measure of how effectively electrical power is being converted into useful work output.
  • Step 2: Know that the power factor can be calculated using the cosine of the phase angle in an AC circuit.
  • Step 3: Identify the given phase angle, which is 60° in this case.
  • Step 4: Use the cosine function to find the power factor: calculate cos(60°).
  • Step 5: Recall that cos(60°) equals 0.5.
  • Step 6: Conclude that the power factor of the AC circuit is 0.5.
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