3.1 - Pure Resistor in AC
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Practice Questions
Test your understanding with targeted questions
What is the RMS value of a 100V AC circuit?
💡 Hint: Remember that for AC, the RMS value is the effective voltage.
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.
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Interactive Quizzes
Quick quizzes to reinforce your learning
In pure resistive AC circuits, the voltage and current are:
💡 Hint: Visualize the waveforms of voltage and current.
True or False: Power is lost in pure resistors in AC circuits due to phase difference.
💡 Hint: Consider how resistive loads function.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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