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What is the effect of increasing the capacitance in a capacitive AC circuit on t
What is the effect of increasing the capacitance in a capacitive AC circuit on the current? (2022)
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Practice Questions
1 question
Q1
What is the effect of increasing the capacitance in a capacitive AC circuit on the current? (2022)
Increases current
Decreases current
No effect
Current becomes zero
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Increasing capacitance increases the current in a capacitive AC circuit, as current I = V/Xc.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the effect of increasing the capacitance in a capacitive AC circuit on the current? (2022)
Solution:
Increasing capacitance increases the current in a capacitive AC circuit, as current I = V/Xc.
Steps: 5
Show Steps
Step 1: Understand that in an AC circuit, current (I) is affected by voltage (V) and reactance (Xc).
Step 2: Know that reactance (Xc) for a capacitor is calculated using the formula Xc = 1/(2πfC), where f is the frequency and C is the capacitance.
Step 3: Realize that if you increase the capacitance (C), the reactance (Xc) decreases because they are inversely related.
Step 4: Since current (I) is calculated as I = V/Xc, a decrease in Xc (due to increased capacitance) means that the current (I) will increase.
Step 5: Conclude that increasing the capacitance in a capacitive AC circuit results in an increase in the current.
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