This question states that this is a series LRC type of problem.
Current (Ohm's law):
An L-R-C series circuit is connected to a 120 Hz ac source that has rms voltage = 90.0 V. The circuit has a resistance of 79.0 ohms and an impedance at this frequency of 105 ohms.
What average power is delivered to the circuit by the source?
P = ? watts
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What scientific concept do you need to know in order to solve this problem?
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