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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to current drawn from the supply at resonance in a parallel RLC circuit?
💡 Hint: Think about how impedance behaves at resonance.
Question 2
Easy
Define parallel resonance.
💡 Hint: Recall the relationship between L and C.
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 happens to the total impedance of a parallel RLC circuit at resonance?
- It becomes zero.
- It reaches maximum value.
- It remains constant.
💡 Hint: Consider the relationship between impedance and admittance.
Question 2
True or False: The power factor at resonance is always less than 1.
- True
- False
💡 Hint: Recall how voltages relate in resonance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a parallel RLC circuit that resonates at 60 Hz. If you choose a 100 μF capacitor, what inductance is necessary?
💡 Hint: Use the resonance formula and rearrange it for inductance.
Question 2
Calculate the circulating current in a parallel circuit with a 50 Ω resistor, a 0.1 H inductor, and a 20 μF capacitor at resonance where the applied voltage is 120 V.
💡 Hint: Keep in mind to calculate based on the power factor behavior and Q.
Challenge and get performance evaluation