Q5: For the circuit shown in the figure below, if the source voltage is given as vs 100 sin (@t) V, tick the correct answers for the following circuit parameters: (a) Total impedance of the circuit (Ztot). (b) Total current (I). (c) Total power consumed and the power factor (pf) of the circuit.
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- The sending-end voltage in the circuit seen is adjusted so that the load voltage is always 13,800 V(rms). The variable capacitor is adjusted until the average power dissipated in the line resistance is minimum. 1. a) If the frequency of the sinusoidal source is 60 Hz, what is thevalue of the capacitance in microfarads?2. b) If the capacitor is removed from the circuit, what percentageincrease in the magnitude of Vs is necessary to maintain 13,800V(rms) at the load?3. c) If the capacitor is removed from the circuit, what is thepercentage increase in line loss?Find the following: the power drawn by the 100ohm variable resistor If the variable resistor is set to 200-ohms, instead of 100-ohms, What is the power drawn by the 200-ohms resistor? total current of the system Is the circuit inductive, capacitive, or neither (resistive)? NOTE: Polar form for Voltage & Current. Rectangular form for ImpedanceCircuit elements with an inductance of 200 mH, a capacity of 50 μF and a resistance of 10 Ω are connected in parallel. If the average value of 198 V sinusoidal AC voltage is applied to this system, find the line current, impedance and phase angle of the circuit. (Take the frequency as 60 Hz.)
- A resistor R and an impedance coil Z are connected in series. The combination is supplied bya 120-volt, 60 Hz AC source. The voltage across R and Z are 70 volts and 80 volts,respectively. The entire circuit consumes 1,153.12 inductive vars. Determine the following: a. Power factor of the impedance coilb. Total currentc. Impedance of the coild. Resistance of the impedance coilPlease answer quickly "In series-connected ac circuit, the total voltage across the circuit is always equal to the sum of the magnitude (only) of the individual voltage across each element." True False The power factor is equal to cosine of the phase difference. True False A leading power factor means that the circuit is predominantly capacitive in nature. True False "Since most loads are resistive in nature (e.g. motors), improvement of power factor is done by connecting capacitor banks or a synchronous condenser " True FalseA resistor R and an impedance coil Z are connected in series. The combination is supplied bya 120-volt, 60 Hz AC source. The voltage across R and Z are 70 volts and 80 volts,respectively. The entire circuit consumes 1,153.12 inductive vars. Determine the following: e. Inductance of the impedance coilf. Value of resistance Rg. Total real power drawn from the sourceh. Apparent power of the entire circuiti. Overall power factor
- PLS USE 4 DECIMAL PLACES FOR THE FINAL ANSWERS An inductive reactance of 10 ohms is connected in parallel with the capacitive reactance of 30 ohms. If the combination is connected in series with a 10 ohm resistance. The given voltage is 200V. *What is the total real power of the system in magnitude with unit of kW? *What is the total real power of the system in magnitude with unit of kVAR? *What is the total impedance in polar form in ohms? *What is the total real power of the system in magnitude with unit of kVA? *What is the total current in polar form in A?A series circuit of RLC with following parameters, R=15 ohm, L=20 m H & C=100 micro Farad. VT=169.7 sin (337t-30) Volt. Find the following: Zt, , It, Voltage across each element, Power factor, apparent power, real or average power and reactive power and the total phasor diagram and power phasor diagram1. A motor load consists of a resistance of 6 Ohms in series with an inductance of 12 mH. Assume 120Vac, 60 Hz supply. a. What is the complex impedance of the load? b. What is the ac current through this load? c. What is theta, the angle between voltage and current through this load? d. What is the power factor? e. What capacitance should be added in parallel with this load to correct the power factor to 1? f. What is the current from the supply when the power factor is corrected?
- Find the total impedance, total current drawn by the system, total power (apparent) delivered by the voltage source, Draw the phasor diagram of the voltage and current at the source.A series circuit composed of a resistance of 24 ohms, an inductance of 0.09 henry and a capacitance of 8 microfarad, is connected to a 120-volt 50-Hz supply. Calculate (a) the line current, (b) impedance of the circuit, (c) voltage drop, (d) total reactive power, (e) power factor.A network is supplied by a 120 V rms, 60-Hz voltage source. An ammeter and a wattmeter indicate that 12 A rms is drawn from the source and 800 W are consumed by the network. Determine: a. The network power factor b. The network phase angle c. The network impedance d. The equivalent resistance and reactance of the network