2. It can be shown that the voltage from the AC source is described by V = Vmax Cos (wt + $) where o is the phase angle found as part of your work in part (a). The voltage across individual circuit elements is the same as described in Lecture 14. Consider all this, what is the energy stored in the inductor at the instant that the instantaneous source voltage is zero for the first time? Hint: make sure to convert your phase angle to radians when solving for time if you are using angular frequency.

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Please help on question 2. The answer for part a) I believe is 9.52X10^3 Hz. Thank you!

A LRC series circuit consists of a 1.50 µF capacitor, a 6.00 mH inductor, and a 71.0 0 resistor that
are connected across an AC voltage supply with maximum voltage of Vmax = 13.0 V.
(a) What must be the frequency of the AC voltage supply for the average power delivered to the
circuit to be Vvrmsrms?
Transcribed Image Text:A LRC series circuit consists of a 1.50 µF capacitor, a 6.00 mH inductor, and a 71.0 0 resistor that are connected across an AC voltage supply with maximum voltage of Vmax = 13.0 V. (a) What must be the frequency of the AC voltage supply for the average power delivered to the circuit to be Vvrmsrms?
It can be shown that the voltage from the AC source is described by V =
2.
Vmax Cos (wt + 4) where o is the phase angle found as part of your work in part (a). The
voltage across individual circuit elements is the same as described in Lecture 14. Consider
all this, what is the energy stored in the inductor at the instant that the instantaneous
source voltage is zero for the first time? Hint: make sure to convert your phase angle to
radians when solving for time if you are using angular frequency.
Transcribed Image Text:It can be shown that the voltage from the AC source is described by V = 2. Vmax Cos (wt + 4) where o is the phase angle found as part of your work in part (a). The voltage across individual circuit elements is the same as described in Lecture 14. Consider all this, what is the energy stored in the inductor at the instant that the instantaneous source voltage is zero for the first time? Hint: make sure to convert your phase angle to radians when solving for time if you are using angular frequency.
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