The telecommunication circuit shown in FIGURE CP has a parallel inductor and capacitor in series with a resistor.
a. Use a phasor diagram to show that the peak current through the resistor is
b. What is I in the limits and ?
c. What is the resonance frequency ? What is I at this frequency?
(a) It is proved that .
(b) The I will be at both and .
(c) The angular frequency is and .
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