« previous next »

Author Question: An AC voltage source, with a peak output of 200 V, is connected to a 25-W resistor. What is the rate ... (Read 93 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
An AC voltage source, with a peak output of 200 V, is connected to a 25-W resistor. What is the rate of energy dissipated due to heat in the resistor?
 a. 566 W
  c. 800 W
  b. 400 W
  d. 200 W

Question 2

Tripling the tension in a guitar string will change its natural frequency by what factor?
 a. 3
  c. 31/2
  b. 31/2
  d. 1.5


Rilsmarie951

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

In The Gross Clinic (1875), by Thomas Eakins, Professor Samuel Gross’s team of surgeons cuts through In The Gross Clinic (1875), by Thomas Eakins, Professor Samuel Gross’s team of surgeons cuts through
Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change
A variable valve timing solenoid being controlled by applying voltage from the PCM. A variable valve timing solenoid being controlled by applying voltage from the PCM.
Source Regions Source Regions
Cover heat source to slow cooling by placing a towel over it. Cover heat source to slow cooling by placing a towel over it.
British Output and Productivity Growth, 1760–1913 British Output and Productivity Growth, 1760–1913
Video: Carbon fixing adaptations Animation

For a complete list of videos, visit our video library