Practice - Time Constant (τ)
Practice Questions
Test your understanding with targeted questions
What does the time constant (τ) represent in an RL or RC circuit?
💡 Hint: Think about the percentage change in the circuit's response.
What is the formula for calculating the time constant in an RC circuit?
💡 Hint: Consider what components make up the RC circuit.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the time constant (τ) in an RL circuit represented as?
💡 Hint: Think of the components in RL circuits.
When does a capacitor reach 63.2% of its maximum voltage in an RC circuit?
💡 Hint: Recap the behavior of capacitors when charging.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An RL circuit has R = 15Ω and L = 45mH. Calculate the time constant τ and then find the current after 2τ if the final current is 8A.
💡 Hint: Combine the formulas for τ and the expression for current over time.
An RC circuit has a voltage of 12V and discharges with R = 10kΩ and C = 1μF. Calculate the time constant and the voltage after 3τ.
💡 Hint: Use the step response formula for voltage across capacitors.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.