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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the RMS value of a 100V AC circuit?
💡 Hint: Remember that for AC, the RMS value is the effective voltage.
Question 2
Easy
If an AC circuit has a current of 5A rms, how much power is dissipated if voltage is 240V rms?
💡 Hint: Use the power formula for AC circuits.
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
In pure resistive AC circuits, the voltage and current are:
- Out of phase
- In phase
- Uncorrelated
💡 Hint: Visualize the waveforms of voltage and current.
Question 2
True or False: Power is lost in pure resistors in AC circuits due to phase difference.
- True
- False
💡 Hint: Consider how resistive loads function.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A household circuit runs at 240V and uses a pure resistor of 60 ohms. Calculate the current and the power dissipated.
💡 Hint: Use Ohm's law to find current first.
Question 2
In a scenario where a 100 Ohm resistor is connected to an AC source providing an RMS voltage of 300V, what is the power and thus the heat produced in the resistor?
💡 Hint: Revisit the power formula related to resistance.
Challenge and get performance evaluation