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2 cards from this section. Quick, good the night before a test.
What is the RMS value of a 100V AC circuit?
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?
Use the power formula for AC circuits.
In pure resistive AC circuits, the voltage and current are:
Visualize the waveforms of voltage and current.
True or False: Power is lost in pure resistors in AC circuits due to phase difference.
Consider how resistive loads function.
A household circuit runs at 240V and uses a pure resistor of 60 ohms. Calculate the current and the power dissipated.
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?
Revisit the power formula related to resistance.
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