What is the formula for calculating total impedance in a series AC circuit?
Practice Questions
1 question
Q1
What is the formula for calculating total impedance in a series AC circuit?
Z = R + jX
Z = R - jX
Z = R * X
Z = R / X
In a series AC circuit, the total impedance (Z) is the sum of the resistance (R) and the reactance (X), expressed as Z = R + jX, where j is the imaginary unit.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the formula for calculating total impedance in a series AC circuit?
Solution: In a series AC circuit, the total impedance (Z) is the sum of the resistance (R) and the reactance (X), expressed as Z = R + jX, where j is the imaginary unit.
Steps: 5
Step 1: Understand that in a series AC circuit, there are two main components: resistance (R) and reactance (X).
Step 2: Recognize that resistance (R) is the opposition to current flow in a circuit.
Step 3: Know that reactance (X) is the opposition to current flow caused by capacitors and inductors in the circuit.
Step 4: Realize that total impedance (Z) combines both resistance and reactance.
Step 5: Use the formula Z = R + jX to calculate total impedance, where 'j' represents the imaginary unit.
