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What is the average power consumed in an AC circuit with a power factor of 0.8 a
What is the average power consumed in an AC circuit with a power factor of 0.8 and a maximum power of 100 W?
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Practice Questions
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Q1
What is the average power consumed in an AC circuit with a power factor of 0.8 and a maximum power of 100 W?
80 W
100 W
120 W
160 W
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Average power (P_avg) is given by P_avg = P_max × power factor. Therefore, P_avg = 100 W × 0.8 = 80 W.
Questions & Step-by-step Solutions
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Q
Q: What is the average power consumed in an AC circuit with a power factor of 0.8 and a maximum power of 100 W?
Solution:
Average power (P_avg) is given by P_avg = P_max × power factor. Therefore, P_avg = 100 W × 0.8 = 80 W.
Steps: 7
Show Steps
Step 1: Understand that average power (P_avg) is what we want to find.
Step 2: Know that the formula to calculate average power in an AC circuit is P_avg = P_max × power factor.
Step 3: Identify the maximum power (P_max) given in the question, which is 100 W.
Step 4: Identify the power factor given in the question, which is 0.8.
Step 5: Plug the values into the formula: P_avg = 100 W × 0.8.
Step 6: Calculate the result: 100 W × 0.8 = 80 W.
Step 7: Conclude that the average power consumed is 80 W.
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