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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define 'Natural Response' in the context of RL circuits.
💡 Hint: Think about what happens when we turn off a circuit.
Question 2
Easy
Calculate the time constant τ for an RL circuit with R = 20Ω and L = 100 mH.
💡 Hint: Remember the formula τ = L/R.
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 does the time constant τ represent in an RL circuit?
- How fast the current decays
- How fast the current rises
- Both A and B
💡 Hint: Think about what happens after power is applied or removed.
Question 2
True or False: In a natural response, the current rises exponentially.
- True
- False
💡 Hint: Remember what happens when you turn off a circuit.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An RL circuit with R = 12Ω and L = 80 mH: What is the time constant and how long until the current is 2.5 A if the final current is 5 A?
💡 Hint: Use the step response formula and play with the exponential equation.
Question 2
Given an RL circuit at equilibrium with a final current of 3 A, calculate what happens if the circuit is suddenly switched off. How long will it take to drop below 0.1 A?
💡 Hint: Utilize the decay formula and evaluate the parameters.
Challenge and get performance evaluation