An AC supply voltage is represented by v = 325 Sin wt. Three loads are connected in paral and the currents through these loads respectively are: = 8.48 Sin wt 12 = 4.24 Sin (wt - 15°) I3 = 6.36 Sin (uwt + 90°) !! Which of the following is the circuit total power factor? O a. 0.92 leading O b. 0.75 Leading O c. 0.75 Lagging O d. 0.92 lagging Clear my choice

An AC supply voltage is represented by v = 325 Sin wt. Three loads are connected in paral and the currents through these loads respectively are: = 8.48 Sin wt 12 = 4.24 Sin (wt - 15°) I3 = 6.36 Sin (uwt + 90°) !! Which of the following is the circuit total power factor? O a. 0.92 leading O b. 0.75 Leading O c. 0.75 Lagging O d. 0.92 lagging Clear my choice

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...

See similar textbooks

Similar questions

Impedances Correct the power factor seen by the voltage source in the following circuit so that it is better than 0.88. Assume the frequency is 60 Hz. HH j40 10 V -j12 3 Ω ww -j2º j5Q 70 ww
Q3. Calculate the branch currents and the total equivalent current of the complete circuit in Figure Q3. Draw the current phasor diagram for the complete circuit. The alternating Voltage source has an amplitude of 10 Vm Vm Sine 50 Hz e C1 1 mF C2 1.2 mF www Figure Q3 R1 22 Ω C3 0.4 mF ww R2 44 92
Three identical impedances are connected in star across a 440 V, 3 phase, 50 Hz supply. The line current is 40 A and the pf is 0.8 leading. Find the value of resistance and capacitance in each phase.
Two impedances in parallel are connected across an AC source. They are so adjusted that the current in each is 20A and the total current is also 20A. The power taken by one impedance is double that of the other impedance and the total power factor is lagging. Determine the total power factor. O . 0.682 O b. 0.746 0.875 O d. 0.982
Determine the output waveform for the network of figure below and calculate the output dc level. Si D1 + 220 V + 2.7kn V. 60 Hz{ ru ODeg TS POWER_10_TO_1 Fsi D2
µF in series, is co V, O V, 50 Hz supply. C donoo
what is the phase difference between the following sets of voltages and currents ? graph the relationship
A non-sinusoidal current source (iT=2+1.5sin1000t+ 1cos300Ot-0.5sin4000t) A is applied to the circuit shown. Find the total power? 42 iL iT 1c -J9Ω J4Ω O 55 W O 20 W 39 W O 28 W
The type of the load whose current and voltage phasors are as shown in the phaser diagram is Im 90° - Re Pure capacitive load non-pure Inductive load Purse resistive load O Pure inductive load non-pure capacitive load
I need the answer as soon as possible
supply 3. Three circuits A, B and C are connected in series across 350 V supply. The voltage across circuit A is 80 V lagging the voltage by 330 and the voltage across circuit C is 140 V leading the supply voltage by 48°. Determine the voltage circuit B and its phase displacement from the supply voltage using wave and vector solution. across 4. Draw the phasor and wave diagram of the following sinusoidal current:
Solve