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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for inductive reactance?
💡 Hint: Remember to calculate angular frequency using the frequency given.
Question 2
Easy
What is the impedance of a resistor in an AC circuit with 20Ω resistance?
💡 Hint: Impedance is purely real for resistors.
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 formula for total impedance in an RLC series circuit?
- Z = R + jX
- Z = R + X_L - X_C
- Z = R + j(X_L + X_C)
💡 Hint: Think about how the individual components relate within the impedance formula.
Question 2
Inductive reactance is represented by which symbol?
- True: X_L
- False: X_C
💡 Hint: Recall what each symbol stands for in reactance terms.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A series RLC circuit with components of 10Ω resistor, 0.25 H inductor, and 50μF capacitor attached to a 120V, 60 Hz AC supply. Determine the total impedance and the phase angle.
💡 Hint: Use standard calculations for XL and XC and remember to sum them.
Question 2
In a series circuit of a 100Ω resistor and an inductor with X_L of 25Ω, if both components are subjected to an AC voltage of 240V, calculate the RMS current and explain the significance of the phase relationship.
💡 Hint: Remember to compute total impedance and then use Ohm's law for current.
Challenge and get performance evaluation