This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A certain ac signal at 1000 Hz is applied across an inductor and a 100- resistor. If the power ... (Read 12 times)

chads108

  • Hero Member
  • *****
  • Posts: 507
on: Jul 29, 2018
A certain ac signal at 1000 Hz is applied across an inductor and a 100- resistor. If the power factor of the circuit is 0.400, what is the impedance of this circuit?
 
  A) 150
  B) 200
  C) 250
  D) 100
  E) 300

Question 2

What is the change of entropy of water (Lf = 0.333 MJ/kg, Lv = 2.26 MJ/kg) when 450. grams of water:
 
  (a) changes from liquid to steam?
  (b) changes from ice to liquid?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mholman93

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

(a) 2.73 kJ/K
(b) 549. J/K


chads108

  • Member
  • Posts: 507
Reply 2 on: Jul 29, 2018
:D TYSM

Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Signal amplification Signal amplification
A freshly applied autograft. Note that the donor skin has been perforated so that it can be stretche A freshly applied autograft. Note that the donor skin has been perforated so that it can be stretche
The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black
This slave burial service, painted by John Antrobus in 1860, reflects an inversion of power relation This slave burial service, painted by John Antrobus in 1860, reflects an inversion of power relation
Seven students have applied for merit scholarships. This year 3 merit scholarships were ... Seven students have applied for merit scholarships. This year 3 merit scholarships were ...
Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ... Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ...
Video: The Vestibular System

For a complete list of videos, visit our video library