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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the time constant (τ) represent in an RL or RC circuit?
💡 Hint: Think about the percentage change in the circuit's response.
Question 2
Easy
What is the formula for calculating the time constant in an RC circuit?
💡 Hint: Consider what components make up the RC circuit.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the time constant (τ) in an RL circuit represented as?
- L/R
- R/L
- R*C
💡 Hint: Think of the components in RL circuits.
Question 2
When does a capacitor reach 63.2% of its maximum voltage in an RC circuit?
- True
- False
💡 Hint: Recap the behavior of capacitors when charging.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation