Current lags the voltage

Assignment Help Mechanical Engineering
Reference no: EM13949359

1. A current of 10 A rms flows when a single-phase circuit is placed across a 220-V rms source. The current lags the voltage by 60?. Find the power dissipated by the circuit and the power factor.

2. A single-phase circuit is placed across a 120-V rms, 60-Hz source, with an ammeter, a voltmeter, and a wattmeter connected. The instruments indicate 12 A, 120 V, and 800 W, respectively. Find

a. The power factor.

b. The phase angle.

c. The impedance.

d. The resistance.

Reference no: EM13949359

Questions Cloud

Relationship between years at company and job satisfaction : Does the regression support the claim that on average, employees with longer tenure at the company are more satisfied with their job, holding salaries and gender fixed? Use a 5% significance level.
Identify and explain the characteristics of reform policing : Identify and explain the characteristics of reform policing. why did reform era policing develop in the united state
Net earnings- payout ratio-retained earnings will increase : Which one of the following is correct for a firm with $400,000 in net earnings, 50,000 shares, and a 30% payout ratio? A. Retained earnings will increase by $120,000. B. Each share will receive a $1.20 dividend. C. $120,000 will be spent on new inves..
Magnetic anomalies at mid-ocean ridges : Part B: Refer to Figure (Magnetic anomalies at mid-ocean ridges). Using the pattern of seafloor magnetic anomalies (stripes) and the timescale of magnetic reversals to the right, calculate the average rate at which point A has moved away from poin..
Current lags the voltage : A current of 10 A rms flows when a single-phase circuit is placed across a 220-V rms source. The current lags the voltage by 60?. Find the power dissipated by the circuit and the power factor.
What is the net benefit in dollars : Each year, Holly's Best Salad Dressing, Inc. (HBSD) purchases 50,000 gallons of extra virgin olive oil. Ordering costs are $90 per order, and the carrying cost, as a percentage of inventory value, is 80 percent. The purchase price to HBSD is $0.50 pe..
Determining the rms value : Find the rms value of each of the following periodic currents:
Identify why health care delivery systems might be affected : Finally compare and contrast health informatics and health information systems.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine takt time from the information below

Do some research on what takt time is and then determine takt time from the information below. In your assignment submission please make sure you define takt time.

  How high was the elevator when the stone was released with

a stone is released from an elevator moving up at a speed of 12 fts and reaches the bottom of the shaft in 2.5 s. a how

  Determine the magnitude of the acceleration of the van

The engine of the van produces a constant driving traction force F at the wheels as it ascends the slope at a constant velocity v, determine the magnitude of the acceleration of the van,in m/s^2 .when it passes point A and begins to travel on a level..

  Determine the rate of heat transfer through the window

A double pane insulated window consists of two 1cm thick pieces of glass separated by q= 1.8cm layer of air. The unit measures 4m in legnth and is 3m in width. Under conditions where the extreme outside temperature of the glass is at 10 C and air, at..

  Total heat flow through the copper-fiberglass combination

One side of a copper block 5 cm thick is maintained at 250*C. The other side is covered with a layer of fiberglass 2.5 cm thick. the outside of the fiberglass is maintained at 35*C, & the total heat flow through the copper-fiberglass combination is 5..

  Force magnitude and direction

A force parallelto the x-ax is acts on a particle moving along the x-axis. This force produces potential energy u(x) given by u(x)= a x4. where a = 1.20 j/m4 . What is the force (magnitude and direction) when the particle is at x = - 0.800 m?

  If 35kgh of the final dried material is needed how much of

a centrifuge and dryer are used to remove water from solid material. a mixture of 38 solids is centrifuged to 65 solids

  The piston is now moved by decreasing the weights on the

0.12 kg of argon fills a 0.038 m3 weight-piston-cylinder device at 445 kpa. the piston is now moved by decreasing the

  A solid shaft has a diameter d a hollow shaft made out of

a solid shaft has a diameter d a hollow shaft made out of the same material has an outside diameter d and an inside

  Calculate how many pounds of strawberries are needed

To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Calculate how many pounds of strawberries are needed to make a..

  What is the weight of the loaded barge

A barge (a flat-bottomed boat for carrying freight) is 10 m wide and 20 m long. When it is unloaded, 1 meter of it is underwater. When it is loaded, 2 meters of it is submerged. What is the weight of the barge unloaded? What is the weight of the load..

  The wheel on a boat trailer has an angular speed of 1400

the wheel on a boat trailer has an angular speed of 1400 rpm when the trailer is towed at 90 kmhr. calculate the

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