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2. A telecommunication circuit shown in the figure has a parallel inductor and capacitor
in series with a resistor.
R
Eg cos at
:C

a. Use a phasor diagram to show that the peak current through the resistor is: I =
Hint: Start with the inductor phasor V1.
R2 + G
b. What is I in the limits w→ 0 and w→ ∞?
c. What is the resonance frequency wo? What is I at this frequency?

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