What is the frequency of the instantaneous power

Assignment Help Electrical Engineering
Reference no: EM13255409

1-If the voltage is 106 V cos(84 rad/s t + 46°) and the current is 9 A cos(84 rad/s t + 72°), what is the frequency of the instantaneous power?

2- If the voltage is 101 V cos(47 rad/s t + 11°) and the current is 16 A cos(47 rad/s t + 67°), what is the average power? 

3-If the voltage is 104 V cos(74 rad/s t + 15°) and the current is 13 A cos(74 rad/s t + 68°), what is the reactive power?

4-If the voltage is 109 V cos(94 rad/s t + 33°) and the current is 13 A cos(94 rad/s t + 79°), what is the power factor angle?

5-If the voltage is 102 V cos(52 rad/s t + 33°) and the current is 18 A cos(52 rad/s t + 57°), what is the power factor?

6-If the voltage is 108 Vrms cos(92 rad/s t + 31°) and the current is 19 Arms cos(92 rad/s t + 66°), what is the average power? 

7-If the voltage is 113 Vrms cos(66 rad/s t + 21°) across a resistor of 78 ?, what is the average power? 

Reference no: EM13255409

Questions Cloud

What is the cost of common from retained earnings : Assume that Kish Inc. hired you as a consultant to help estimate its cost of common equity. You have obtained the following data: D0 = $0.90; P0 = $27.50; and g = 7.00% (constant). Based on the DCF approach, what is the cost of common from retaine..
What is the proper orientation of the coil : Suppose you are a researcher doing such an experiment in a location where the earth's field is 50 ?T at a 60 ?angle below horizontal. What is the proper orientation of the coil
Find the displacement of the end of the sprig : a spring contant k=11.75 N/m is hung vertically. What is the displacement of the end of the sprig due to the weight of the 0.500kg mass
How long will it take for all of the energy to be drained : A 20 uF capacitor has a voltage of 12V across it at t=0. If a constant current of 4mA flows through the capacitor in the non-passive direction, how long will it take for all of the energy to be drained from the capacitor
What is the frequency of the instantaneous power : 1-If the voltage is 106 V cos(84 rad/s t + 46°) and the current is 9 A cos(84 rad/s t + 72°), what is the frequency of the instantaneous power. 2- If the voltage is 101 V cos(47 rad/s t + 11°) and the current is 16 A cos(47 rad/s t + 67°).
Explain what are the units for k in the rate expression : What are the units for k in the rate expression (time unit is seconds) for a reaction with the following rate law? Rate = k[X]1[Y]0[Z]0
Provide testing and quality assurance services : The system under test had a web browser front end, with an interface through which customers could lodge orders which would then be passed to a SAP backend for order fulfilment and order transfer to 3rd party vendors.
Calculate the angular acceleration of the pottery wheel : A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. Calculate the angular acceleration of the pottery wheel
Explain what is the partial pressure of xe : A mixture of He,Ar, Xe and has a total pressure of 2.60 atm. The partial pressure of He is 0.350 atm, and the partial pressure of Ar is 0.200 atm. What is the partial pressure of Xe

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Design class-a transformr-coupled emitter-follower amplifier

Design a class - A transformer-coupled emitter-follower amplifier to deliver 10 W to an 8 Ohm speaker. The ambient temp is 25 C and the maximum junction temp is Tj max = 150 C. assume the thermal resistance value are dev-case = 3.2 C/W

  Calculate the land area covered with photovolatic cells

Assume the average energy density of sunlight to be 800 w/m^2 ---and the overall photovolatic system efficiency to be 10 percent. Calculate the land area covered with photovolatic cells needed to produce 1000 Mw , the size of a typical large centr..

  Determine the theoretical component values of opamp

Design an amplifier circuit which uses an OpAmp and is powered by dual 15 V power supplies, and which has the following characteristic at low frequencies: Vout = 3V1 - 5V2 1. State the information which is extracted from the equation.

  Determine the probability mass function-pmf

encounter a sequence of birds while walking in the park. The birds can either be blue (B) or red (R). We let X be the random variable corresponding to the number of birds we encounter until seeing the first blue one.

  Draw the symbol and truth table of it

For the given circuit, determine the function of it I.e. is it OR gate? Or AND gate,.. Show all your answer, also draw the symbol and truth table of it.

  Design a three mode pid controller

A liquid level system converts a 4-10 m level into a 4-20mA current. Design a three mode controller (PID im assuming) that outputs 0-5 volts with 50% PB, 0.03 min integration time, and 0.05 min derivative time. Fastest expected change time is 0.8 ..

  Define the low pass filter with a cutoff frequency

Determine the transfer function for a first order low pass filter with a cutoff frequency of 1000 radians/sec (note radians and not Hertz) and a pass band gain of 1 using the following types.(a) Butterworth type(b) Chebyschev type

  Find the inductance of the inductor with n turns

Suppose that an inductor is formed by N turns of a conductive wire wound around a magnetic material. The magnetic material forms a circular cylinder of radius r = 10 cm, and height h = 5 cm. The inductance of the inductor turns of N is defined as:..

  Determine what is the maximum input for linear operation

An OpAMP has a GBWP of 100MHz and a slew rate of 10V/us and AVoc = 160dB at DC. Assume VCC = +/- 15 Volts. a. If the opamp is configured as a non inverting amplifier with voltage gain of 50.

  Calculate the minority-carrier hole concentration at edge

Consider a Si p-n junction with n-type doping concentration of 10^16 cm^-3. This junction is forward bias with V=0.8 V at 300 °K. Calculate the minority-carrier hole concentration at the edge of the space charge region.

  What focal length should a pair of contact lenses have

What focal length should a pair of contact lenses have if they are to correct the vision of a person with a near point of 57.3 cm Assume that the near point distance is 25 cm.

  Find the total line current and the resultant power factor

A three phase load draws 100kW at a poer factor of 0.7 laggaing from a 220V line to line. In parallel with this load is a three phase capacitor bank which draws 60kVAR. Find the total line current and the resultant power factor.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd