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An $R C$ circuit containing a resistor with $R=2500 \Omega$ and a capacitor with $C=1500 \mu \mathrm{F}$ is attached to an AC generator with $V_{\max }=3.5 \mathrm{...

Question

An $R C$ circuit containing a resistor with $R=2500 \Omega$ and a capacitor with $C=1500 \mu \mathrm{F}$ is attached to an AC generator with $V_{\max }=3.5 \mathrm{V}$ and $f=25 \mathrm{kHz}$ a. What is the impedance of this circuit? b. What is the amplitude of the current?

An $R C$ circuit containing a resistor with $R=2500 \Omega$ and a capacitor with $C=1500 \mu \mathrm{F}$ is attached to an AC generator with $V_{\max }=3.5 \mathrm{V}$ and $f=25 \mathrm{kHz}$ a. What is the impedance of this circuit? b. What is the amplitude of the current?



Answers

A resistor with $R = 300\space \Omega$ and an inductor are connected in series across an ac source that has voltage amplitude 500 V. The rate at which electrical energy is dissipated in the resistor is 286 W. What is (a) the impedance Z of the circuit; (b) the amplitude of the voltage across the inductor; (c) the power factor?


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