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3 cards from this section. Quick, good the night before a test.
What does frequency measure in an AC circuit?
Think about how many times the wave repeats.
Define amplitude in the context of AC.
What is the maximum height of the wave?
What is the unit of frequency?
What unit describes how often something happens over time?
True or False: The RMS value of voltage is always higher than the peak value.
Compare the definitions of RMS and peak values.
An AC generator produces a signal with a peak voltage of 240V and a frequency of 60Hz. Calculate the RMS voltage and the period of the wave.
Use the formulas for RMS and period.
If the RMS current in an AC circuit is measured to be 5A, what is its peak value? Also, calculate the power consumed if the resistance is 8Ω.
First find the peak using RMS, then apply the power formulas.
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