Practice Problem 9.10 Determine the input impedance of the circuit in Fig. 9.24 at w = 10 rad/s. 0.5 mF so2 SH ww ele Answer: (129.52 – j295) 1 mF 200 2 Figure 9.24 For Practice Prob. 9.10. ww

2. For the square voltage waveform displayed on a c.r.o. shown in Fig, find (a) its frequency, (b) its peak-to-peak voltage 31902 Sms 0.2 • 100 us 50 ms - 20- Vicm Brna/cm 30 40

for circuit theory lesson

Consider the phasor representation shown below of a circuit at 200 Hz for the following two subprob- lems. Vs=620° v -j4 2 Vo (a) Find the phasor voltage Vo in the circuit shown, and the corresponding voltage waveform vo(t) that Vo represents. (b) Suppose that the source Vg in the circuit is replaced with a new voltage source vs(t) = 6 cos(800rt), find the new phasor Vo and waveform vo(t).

Explain this diagram

recutuary A load is connected to a 210 V, 50 Hz supply. If it has resistance of 300 and a capacitor of 0.25 mF, the apparent power is Select one: O a. 1355.3VA Ob. 1875.6 VA O c. 275.6 VA Od. 1438.6 VA

852 J452 Tz Q.7: For the circuit shown: 1. Write the voltages w.r.t currents equations (Z- + Parameters). 2. Find the voltage gain if (Z=4Q). (Ans.: Z11= Z22=3.25+j2, Z12= Z21=0.75+jQ & 452 452 VI V2 12n J20

ull 938 B/s G 8:14 AM 100% NETWORK-LAWS-AND-THEORE.. A drive.google.com NET ... mp4 Mag-sign In 18. Find I, in the network shown using source transformation. Answer: I, = -1.4 mA 6 mA 3 ko 4 ko lo )2 mA 18 kn 1 mA 12 V •..

Determine the output voltage waveform in Figure 2-58 if both dc sources are 10 V and the input voltage has a peak value of 20 V.

Consider the following circuit used to provide power for an inductive RL load. The input voltage is Vs=150V and the load has a 30 impedance value. The thyristor is working at a frequency fs = 2 kHz. The discharge current is to be limited to 50A and the required dv/dt is 50V/us. The values of Rs and Cs are equal to: Cs Ti V, Select one: O a. 30, 0.158µF b. 30, 0.352µF ос. 30, 0.64µF O d. 60, 0.5µF