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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the impedance of a purely resistive circuit with a resistance of 5 Ohms?
💡 Hint: Remember that for resistors, the impedance is purely real.
Question 2
Easy
If the current through a 20 Ohm resistor is 2 A, what is the voltage across the resistor?
💡 Hint: Use Ohm's Law.
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 defines the impedance of a resistor?
- A complex number
- A real number
- A vector
- An imaginary number
💡 Hint: Think about what it means to be purely resistive.
Question 2
In a resistive circuit, the voltage and current are?
- True
- False
💡 Hint: Consider their behavior in a sine graph.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A circuit has a combination of a 50Ω resistor and a 10Ω resistor in series. Calculate the total impedance of the series circuit.
💡 Hint: In series, simply add the resistances.
Question 2
You have a 20Ω resistor in an AC circuit with a current of 3 A. Calculate the voltage across the resistor and explain its significance.
💡 Hint: Consider the relationship between voltage, current, and resistance.
Challenge and get performance evaluation