What is the formula for the total power in a series RLC circuit?
Practice Questions
1 question
Q1
What is the formula for the total power in a series RLC circuit?
P = VI
P = I^2R
P = V^2/R
P = VI cos(φ)
The total power in a series RLC circuit is given by P = VI cos(φ), where φ is the phase angle.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the formula for the total power in a series RLC circuit?
Solution: The total power in a series RLC circuit is given by P = VI cos(φ), where φ is the phase angle.
Steps: 5
Step 1: Understand that a series RLC circuit consists of a resistor (R), inductor (L), and capacitor (C) connected in a single loop.
Step 2: Recognize that power in an electrical circuit is calculated using voltage (V), current (I), and the phase angle (φ) between them.
Step 3: Learn that the formula for total power (P) in a series RLC circuit is P = VI cos(φ).
Step 4: Identify that 'V' is the voltage across the circuit, 'I' is the current flowing through the circuit, and 'cos(φ)' accounts for the phase difference between voltage and current.
Step 5: Remember that the phase angle (φ) is determined by the relationship between the resistance, inductance, and capacitance in the circuit.
