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What is the average power consumed in an AC circuit with a power factor of 0.8 a
Practice Questions
Q1
What is the average power consumed in an AC circuit with a power factor of 0.8 and a current of 5 A at 230 V? (2022)
920 W
920 VA
1150 W
1150 VA
Questions & Step-by-Step Solutions
What is the average power consumed in an AC circuit with a power factor of 0.8 and a current of 5 A at 230 V? (2022)
Steps
Concepts
Step 1: Identify the formula for average power in an AC circuit, which is P = V × I × PF.
Step 2: Substitute the given values into the formula: V = 230 V, I = 5 A, and PF = 0.8.
Step 3: Calculate the product of the voltage (230 V) and the current (5 A): 230 V × 5 A = 1150 VA (volt-amperes).
Step 4: Multiply the result from Step 3 by the power factor (0.8): 1150 VA × 0.8 = 920 W.
Step 5: Conclude that the average power consumed in the circuit is 920 W.
No concepts available.
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