A source of AC emf E₁ = 100/0º volts with an impedance of Z₁ = 20/0° ohms is connected in parallel with another AC source of E₂ = 100/53.10 volts with an impedance Z₂ = 20/0° ohms. The two AC source are use to supply a load impedance of Z₁ = 20/-900 ohms. Calculate the value of the load current I₁. O a. 10 amperes O b. 12 amperes O c. 4 amperes O d. 8 amperes

Introduction to Ac circuits. show detailed illustration and step by step solution

Subject - Design electrical circuits for single phase AC networks Question - Compare the effect of varying resistance, capacitance and inductance in a pararllel and series AC circuits on voltage resistance and impedance.

Consider the following circuit used to provide power for an induative RL load. The input voltage is V-100V and the load has a 50 impedance value. The thyristor is working at a frequency fs = 2 kHz. The discharge current is to be limited to 40A and the required dv/dt is 40V/us. If the value of Ce is equal to 0.14uF, then the snubber losses are equal to: R. V. Select one: O a 5.4W O b. 7.4W 1.4W Od. 3.4W

5. Two ac sources feed a common variable resistive load as shown in figure. Under the maximum power transfer condition, the power absorbed by the load resistance RL is? 11020° 602 w 18.0 m 652 802 Mm 9020°

8.49 In the circuit shown in Fig. P8.49, a generator is connected to a load via a transmission line. Given that : (4 + j2) №2, and Zload = (40+ j30) 2: = Rs = 102, Zline S

A current of 10 A rms results when a single-phase circuit is placed across a 220 V rms source. The current lags the voltage by 60 degrees. Find the power dissipated by the circuit and the power factor.

Consider the situation shown in (Figure 1). A 1000-V-rms source delivers power to a load. The load consumes 140 kW with a power factor of 55 percent lagging.  Time remaining: 00:07:30 Electrical Engineering Consider the situation shown in (Figure 1). A 1000-V-rms source delivers power to a load. The load consumes 140 kW with a power factor of 55 percent lagging. 1- Find the phasor II, assuming that the capacitor is not connected to the circuit. Enter your answer using polar notation. Express argument in degrees. 2-Find the value of the capacitance that must be connected in parallel with the load to achieve a power factor of 100 percent. Express your answer to three significant figures and include the appropriate units. 3-Usually, power-systems engineers rate capacitances used for power-factor correction in terms of their reactive power rating. What is the rating of this capacitance in kVAR? Express your answer using three significant figures. 4-Assuming that this…