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

Author Question: An AC power generator produces 25 A (rms) at 3600 V. The energy is transmitted through a ... (Read 68 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
on: Jul 28, 2018
An AC power generator produces 25 A (rms) at 3600 V. The energy is transmitted through a long-distance power line, which has a total resistance of 50 W. What percentage of the power delivered by the generator is dissipated as heat in the long-distance line if a step-up transformer is not used?
 a. 69
  c. 0.09
  b. 35
  d. 1.8

Question 2

Of the frequencies listed below, to which one is the human ear most sensitive?
 a. 33 Hz
  c. 3300 Hz
  b. 330 Hz
  d. 33,000 Hz


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultana.d

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Kikoku

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 28, 2018
Thanks


sultana.d

  • Sr. Member
  • ****
  • Posts: 320
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Faulty outlooping produces lambda phage containing bacterial DNA Faulty outlooping produces lambda phage containing bacterial DNA
Activation energy graph Activation energy graph
The Chernobyl, Ukraine, Nuclear Power Plant Disaster The Chernobyl, Ukraine, Nuclear Power Plant Disaster
Reaction 6: Generation of the First Energy-Rich Compound Reaction 6: Generation of the First Energy-Rich Compound
The demand for cheap coal to generate electrical power is rising The demand for cheap coal to generate electrical power is rising
Find the derivative using the power rule Q2 Find the derivative using the power rule Q2
Video: Pores and Ion Channels

For a complete list of videos, visit our video library