Acircuit is constructed using an AC emf connected in series with a resistor and an inductor, using ideal wires. The emf has an amplitude of 8.02 V and a frequency of 84.1 Hz. The resistor has a resistance of 78.7 Q, and the inductor has an inductance of 83.2 mH. ER (a) Calculate the rms current through the resistor. (b) Calculate the rms voltage across the inductor. (c) Calculate the maximum energy stored in the inductor. (d) Which of the following is true? (If you select a choice without explanation, credit is all or nothing. If you show work, you may gain or lose partial credit (with gains more likely than losses, but both are possible).) OThe current in the circuit leads the voltage across the emf. OThe current in the circuit lags the voltage across the emf. OThe current in the circuit is perfectly in phase with the voltage across the emf.

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Acircuit is constructed using an AC emf connected in series with a resistor and an inductor, using ideal wires. The emf has an amplitude of 8.02 V and a frequency of
84.1 Hz. The resistor has a resistance of 78.7 Q, and the inductor has an inductance of 83.2 mH.
ER
(a) Calculate the rms current through the resistor.
(b) Calculate the rms voltage across the inductor.
(c) Calculate the maximum energy stored in the inductor.
(d) Which of the following is true? (If you select a choice without explanation, credit is all or nothing. If you show work, you may gain or lose partial credit (with gains
more likely than losses, but both are possible).)
OThe current in the circuit leads the voltage across the emf.
OThe current in the circuit lags the voltage across the emf.
OThe current in the circuit is perfectly in phase with the voltage across the emf.
Transcribed Image Text:Acircuit is constructed using an AC emf connected in series with a resistor and an inductor, using ideal wires. The emf has an amplitude of 8.02 V and a frequency of 84.1 Hz. The resistor has a resistance of 78.7 Q, and the inductor has an inductance of 83.2 mH. ER (a) Calculate the rms current through the resistor. (b) Calculate the rms voltage across the inductor. (c) Calculate the maximum energy stored in the inductor. (d) Which of the following is true? (If you select a choice without explanation, credit is all or nothing. If you show work, you may gain or lose partial credit (with gains more likely than losses, but both are possible).) OThe current in the circuit leads the voltage across the emf. OThe current in the circuit lags the voltage across the emf. OThe current in the circuit is perfectly in phase with the voltage across the emf.
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