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What is the power factor of an AC circuit with a phase angle of 60 degrees?
What is the power factor of an AC circuit with a phase angle of 60 degrees?
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Practice Questions
1 question
Q1
What is the power factor of an AC circuit with a phase angle of 60 degrees?
0.5
0.866
1
0.707
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The power factor (PF) is given by cos(θ). For a phase angle of 60 degrees, PF = cos(60°) = 0.5.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the power factor of an AC circuit with a phase angle of 60 degrees?
Solution:
The power factor (PF) is given by cos(θ). For a phase angle of 60 degrees, PF = cos(60°) = 0.5.
Steps: 6
Show Steps
Step 1: Understand that the power factor (PF) is a measure of how effectively electrical power is being converted into useful work output.
Step 2: Know that the power factor is calculated using the cosine of the phase angle (θ) in an AC circuit.
Step 3: Identify the given phase angle, which is 60 degrees in this case.
Step 4: Use the formula for power factor: PF = cos(θ).
Step 5: Calculate the cosine of 60 degrees. You can use a calculator or remember that cos(60°) = 0.5.
Step 6: Conclude that the power factor for a phase angle of 60 degrees is PF = 0.5.
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