Question: An ac generator with a frequency of 1.00 kHz and an rms voltage of 24 V is connected in series with a 2000 ohm resistor and a 0.365 H inductor.
(a) What is the power factor for this circuit?
(b) What is the average power consumed by this circuit?"

Solution Preview

Power Factor= PF = Cos (phi) = R/Z

Z is the total impedance in the circuit.
Impedance of inductor = Zl = wL = ...

Solution Summary

This solution provides a step-by-step explanation for how to solve for this physics based question. The formulas required are all provided and information regarding particular variables used in solving for this problem are also given.

Conservation of energy requires that the sum of the power absorbed by all the elements in a circuit be zero. The following Figure shows a circuit. All of the element voltage and current are specified. Are these voltages and currents correct?
Hint: Calculate the power absorbed by each element and add them up.
Work out the

Please only do problems 3.48, 3.49, 3.51, 3.52, 3.54, 3.57, 3.60, 3.61. OK PLEASE show all equations used, work and PLEASE do not skip steps no matter how minor. I learn by example and need to see everything also including pictures of current flow, directions, picture of how each step progressed, etc..
Please show step by s

** Please see the attachment for the circuit illustration **
Please help with the given assignment:
For the circuit given in the attachment, the power factor is 0.72 lagging and the power dissipated is 375 W.
Determine the:
(i) apparent power,
(ii) reactive power,
(iii) the magnitude of the current flowing in the circuit

One method of checking calculations in volving interconnected circuit elements is to see that the total power delivered equals the total power absorbed...
Please see attached.

A fully loaded 440V, three phase motor draws 12.4A at 86% power factor (pf). Its speed is 1730 rpm and its torque output to a mechanical load is 29.1 lb-ft*1.356=39.5Nm. What is the output HP and the efficiency?

Please refer to the attached file.
1. What is the response function of the circuit in the s-domain?
2. What are the poles? Is than an impulse response stable circuit?
3. What are the poles? Is than an impulse response stable circuit?
4. What is the natural response of the circuit?
5. Is the circuit impulse stable?
6. Is

Please show as much working as possible and comment where possible.
The figure in attachment represents a high-voltage transmission line. With the receiving end on open-circuit, the relationships between the sending end voltage and current and the receiving end voltage are given by the equations in the attachment.
Given t

A factory's electrical load can be represented as three parallel admittances (see attachment). The values of the admittances are given in the table in polar form.
(a) Determine
(i) The current taken from the supply
(ii) The overall power factor of the load
(iii) The value of the capacitor required in parallel to the l

The voltage and current at the terminals of the circuit elements in Fig 1.5 are zero for t<0 nad t<40s. In the interval between 4 and 40s the expressions are:
(a) At what instant of time is the power being delivered to the circuit element maximum?
(b) What is the power at the time found in part (a)
(c) At what instant of t