Each branch of a three-phase star-connected load consist of a coil of resistance 20 2 and reactance 15 2. The load is supplied at a line voltage of 400 V, 50 Hz. Calculate the following: a. The Real Power drawn by the load. b. The Reactive Power drawn by the load. c. The Apparent Power drawn by the load.

An alternating voltage of 110 volts is applied to a circuit with resistance of 8.66 Ohms, inductance of 0.106 Henries, and capacitance of 75.8 microFarads. The frequency of the voltage is 50 Hz. Determine: a. The current in the circuit and its phase angle relative to the applied voltage. b. The voltage drop across each component of the circuit. c. The active and reactive power inputs to the circuit. d. Draw (Not hand-sketch) the equivalent power triangle. e. Is the RLC load of the circuit inductive or capacitive? Why?

Assume that the voltage applied to a load is V = 208- 30° V and the current flowing through the load is I = 5415° A a. Calculate the complex power S consumed by this load. b. Is this load inductive or capacitive? c. Calculate the power factor of this load. d. Calculate the reactive power consumed or supplied by this load. Does the load consume reactive power from the source or supply it to the source?

8. The total power supplied to a balance delta load is found in the same way as for a balance wye load. True False Either Neither 12. A load of 20 + j35 ohms is connected across a 220 V, 60 Hz supply. Find the reactive power of the load in var. 595 2420 1042 1382 13. A type of DC source where the characteristic output voltage has perfect unidirectional waveform and is based on electrochemical principle. Generator Inverter Converter Battery 14. Calculate the Rf of a circuit whose impedance is 20+j35 and current of 2A. 0.86 0.91 0.50 0.71 15. What capacitor shall be installed in parallel with a circuit to achieve a unity power factor if the reactive power of a circuit is 200VARS and the voltage is 100V. 80.45 microfarad 53.05 microfarad It's already in unity 62.45 microfarad