What is the formula for calculating total impedance in a series RLC circuit?
Practice Questions
Q1
What is the formula for calculating total impedance in a series RLC circuit?
Z = R + jX
Z = R + j(X_L - X_C)
Z = R + X_L + X_C
Z = R + j(X_C - X_L)
Questions & Step-by-Step Solutions
What is the formula for calculating total impedance in a series RLC circuit?
Correct Answer: Z = R + j(X_L - X_C)
Step 1: Identify the components in the series RLC circuit: a resistor (R), an inductor (L), and a capacitor (C).
Step 2: Calculate the inductive reactance (X_L) using the formula X_L = 2 * π * f * L, where f is the frequency in hertz and L is the inductance in henries.
Step 3: Calculate the capacitive reactance (X_C) using the formula X_C = 1 / (2 * π * f * C), where C is the capacitance in farads.
Step 4: Substitute the values of R, X_L, and X_C into the total impedance formula: Z = R + j(X_L - X_C).
Step 5: Simplify the expression to find the total impedance Z, where j represents the imaginary unit.
