A 1.5 - kΩ resistor is connected to an AC voltage source with anrms voltage of 120 V. (a) What is the maximum voltage acrossthe resistor? (b) What is the maximum current through theresistor? (c) What is the rms current through the resistor?(d) What is the average power dissipated by the resistor?

Question
Asked Dec 25, 2019
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A 1.5 - kΩ resistor is connected to an AC voltage source with an
rms voltage of 120 V. (a) What is the maximum voltage across
the resistor? (b) What is the maximum current through the
resistor? (c) What is the rms current through the resistor?
(d) What is the average power dissipated by the resistor?

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Expert Answer

Step 1

a)

This is an AC source. Thus the rms voltage is given by

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Van =V2Vm =120V 2 max =169.7 V

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Step 2
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V. mat max 169.7 V 1.5x10°0 = 0.113A

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Step 3
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c)I mat 0.113A = 0.08A

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