Decreasing the frequency in a capacitive...

Decreasing the frequency in a capacitive...

Question 1 of 270705eccefa3bacbc34ba4d480c0

Decreasing the frequency in a capacitive circuit while maintaining a constant circuit voltage, will result in what change?

Question 1 of 27070

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Q

Decreasing the frequency in a capacitive circuit while maintaining a constant circuit voltage, will result in what change?

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🔍 Key Concepts

• Formula for capacitive reactance (Xc) in AC circuits • Relationship between reactance, impedance, and current • How frequency (f) affects capacitors compared to inductors

💭 Think About

• Write down the formula for capacitive reactance in terms of frequency and capacitance. If frequency goes down, what happens to Xc? • If reactance (a kind of AC resistance) gets larger or smaller, how does that affect the circuit current, assuming voltage stays the same? • Think about whether increasing opposition to current flow makes apparent power larger or smaller in a purely capacitive circuit.

✅ Before You Answer

• Confirm the correct formula: Xc vs. frequency (is it directly or inversely proportional?) • Use Ohm’s Law for AC: I = V / Z and decide how current changes when opposition (Z) changes • Decide whether impedance in a purely capacitive circuit is essentially equal to Xc, and how that ties to the answer choices