Q4For the series R-L-C circuit of Figure Q4:(i) Calculate the total impedance Zr for the frequencies of 20 kHz.marks)(ii) Plot the impedance tringle.marks)(iii) Calculate the voltage phasor diagram If the current / is 12 A and plot it.marks](iv) Calculate the true power and the power factor If the current / is 12 A.marks]R = 1 knL = 20 mHEC = 8 nFVeFigure Q4

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Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Q4/A 25 KVA transformer supplies a load of 12 KW at a power factor of 0.6 lagging. If additional unity power factor load are used to be served with the same transformer .How many KW may be added before the adding of the new load? Draw the phasor diagram?
To determine the loss factor of an insulator Schering Bridge used and the following values has been recorded. Standard (Etalon) capacitor, C2 = 500 pF Low voltage variable resistance, R3 = 800 Ohm Low voltage parallel constant resistance, R4 = 5000 Ohm Low voltage parallel variable capacitor, C4 = 0.0105 μF a) -Prove the expressions of Resistance (Rx) and Capacity (Cx) subtract by doing and calculate their values. b) Calculate the value of -Loss factor (tan.). c) In case the insulator operates under a 200 kV transmission line, the loss of the insulator Calculate the power value. Note: f = 50 Hz will be taken.
Which can be said according to the circuit and phasor diagram given below? A) Impedance of circuit element 3 is greater than impedance of circuit element 2. B) The active power of the element 2 is greater than the total active power of the elements 3 and 5. C) The average power of element 4 is zero D) The current of element 2 is less than the total current flowing through circuit elements 3 and 5.
The AC Bridge shown below is used to measure an unknown inductance, Lx and its internal resistance, Rx. The Bridge parameters are R1 = 20,000 ohms, R2 = 50,000 ohms, C2 = 0.003 μf, ω= 105 radians per sec. C1 is adjustable from 10 pf to 150 pf, and R3 is adjustable from 0 to 10,000 ohms. At Balance,I. Derive expressions for Rx and Lx in terms of ω, R1, R2, R3, C1, and C2.II. Determine the largest values of Rx and Lx that are measurable with the given parameters.
The AC Bridge shown below is used to measure an unknown inductance, Lx and its internal resistance, Rx. The Bridge parameters are R1 = 20,000 ohms, R2 = 50,000 ohms, C2 = 0.003 µf, w = 105 radians per sec. C1 is adjustable from 10 pf to 150 pf, and R3 is adjustable from 0 to 10,000 ohms. At Balance, I. Derive expressions for Rx and Lx in terms of w, R1, R2, R3, C1, and C2. II. Determine the largest values of Rx and Lx that are measurable with the given parameters.
According to the circuit and phasor diagram given below, which circuit element match is correct? a. If circuit element 2 is R, circuit element 3 is R'. b. If circuit element 1 is L, then circuit element 2 is R'. c. If circuit element 3 is R, circuit element 4 is C'. D. If circuit element 1 is L, circuit element 4 is C'.
Please could someone show me how to do this? In addition to series combination of complex loads it is also important to analyse the behaviour of power supply with complex loads in parallel. To demonstrate this, you are tasked to complete the following: i. For the circuit shown in figure 4 below, it is required to transfer maximum power to a load of impedance, ZL Ω. Determine the required value of the load impedance and the value of the maximum power delivered to the load under the following conditions: (a) ZL = R ± jX Ω , [variable R and X](b) ZL = R Ω [variable R]
1- Explain why the phasor and the impedance have the same angle. 2- Compare the result for utilized different frequency in same circuit. 3- Give example to utilize the RLC circuit. 4- In general, how would the phasor diagram of Figure 4.1 change if the frequency was raised? 5- In general, how would the phasor diagram of Figure 4.4 change if the frequency was lowered?
Let Rx = 20 Ohm and perform mesh analysis, determine the current supplied by the CCVS. Step by step for me to understand.
Differential equation is given as- Vo(t) = Vdd(1- (R/(R+Ron))*e^(-t/RC)) a) Assume Ron=280 ohm. When the load capacitor is C = 0.5nF, the output must reach 90% of its final value by t = 25uS. Find a value of R that will satisfy this requirement while at the same time keeping the static power below 1 mW. For your chosen resistance, calculate how long it will take to reach the 90% level.
The circuit of Figure.1 is to pass a 10KHz current with minimum impedance and to block a 20KHz current as effectively as possible. Here, R0 =2*R Ω, R1=R Ω, C2=0.03 µF are fixed. (Here, R= 62). 1. After finding the desired value of L1 and L0 or C0 for the circuit given in Figure.1 at terminal ab if, Vin=100sin (100πt+60˚) V, Compute Zeq seen from a-b terminal. Draw Vin, I, I1 and I2 in phasor diagram. Determine the power factor, real power, reactive power and apparent power. Draw power triangle.
A 60Hz sourcewith an effective voltage of 240 volts supplies 4500 volt-amp to a load with a p.f. of 0.75 lagging. Determine the parallel capacitance required to improve the power factor to: a) 0.9 lagging and b) 0.9 leading. What per cent reduction in line current resulted in part (a)?

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