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What is the effect of increasing the frequency on the impedance of a series RLC
Practice Questions
Q1
What is the effect of increasing the frequency on the impedance of a series RLC circuit?
Increases
Decreases
Remains constant
Depends on R, L, and C
Questions & Step-by-Step Solutions
What is the effect of increasing the frequency on the impedance of a series RLC circuit?
Steps
Concepts
Step 1: Understand that a series RLC circuit has three main components: a resistor (R), an inductor (L), and a capacitor (C).
Step 2: Know that impedance (Z) is a measure of how much the circuit resists the flow of electric current.
Step 3: Recognize that impedance depends on resistance (R), inductive reactance (XL), and capacitive reactance (XC).
Step 4: Learn that inductive reactance (XL) increases with frequency (f) and is calculated as XL = 2πfL.
Step 5: Understand that capacitive reactance (XC) decreases with frequency and is calculated as XC = 1/(2πfC).
Step 6: As frequency increases, XL goes up and XC goes down.
Step 7: The total impedance (Z) is affected by the balance between XL and XC, along with R.
Step 8: If XL is greater than XC, the total impedance increases; if XC is greater than XL, the total impedance decreases.
No concepts available.
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