Chapter 15, Problem 15P

For the circuit in Fig. 15.92

1. Find the total impedance $Z_T$
2. in polar form.
3. Draw the impedance diagram.
4. Find the current I and the voltages $V_R$
5. and $V_L$
6. in phasor form.
7. Draw the phasor diagram of the voltages $E,V_R,\text{ and }{V}_C,$
8. and the current I.
9. Verify Kirchhoff’s voltage law around the closed loop.
10. Find the average power delivered to the circuit.
11. Find the power factor of the circuit, and indicate whether it is leading or lagging.
12. Find the sinusoidal expressions for the voltages and current if the frequency is 60 Hz.
13. Plot the waveforms for the voltages and current on the same set of axes.

Fig. 15.92