What is the effect of increasing the frequency on the impedance of a capacitor?

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Question: What is the effect of increasing the frequency on the impedance of a capacitor? (2023)

Options:

Correct Answer: Decreases

Exam Year: 2023

Solution:

The impedance of a capacitor decreases with increasing frequency.

What is the effect of increasing the frequency on the impedance of a capacitor? (2023)

What is the effect of increasing the frequency on the impedance of a capacitor? (2023)

Step 1: Understand what impedance is. Impedance is a measure of how much a circuit resists the flow of electric current.
Step 2: Know that a capacitor is a component that stores electrical energy.
Step 3: Learn that frequency refers to how often an electrical signal changes in a second, measured in Hertz (Hz).
Step 4: Recognize the formula for the impedance of a capacitor: Z = 1 / (2 * π * f * C), where Z is impedance, f is frequency, and C is capacitance.
Step 5: Notice that in the formula, as frequency (f) increases, the value of Z (impedance) decreases.
Step 6: Conclude that increasing the frequency means the capacitor allows more current to pass through, which means its impedance decreases.

No concepts available.