Author Question: A resistor is connected to normal 60. Hz, 120. volt AC. How many times a second does the ... (Read 31 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
A resistor is connected to normal 60. Hz, 120. volt AC. How many times a second does the instantaneous dissipated POWER reach a maximum?
 
  A) 240
  B) 0
  C) 60
  D) 30
  E) 120

Question 2

An electron is moving with speed 21. m/s.
 
  (a) What is its deBroglie wavelength?
  (b) What Diffraction Grating spacing between slits would give a 1st order maximum at 30.0?



pocatato

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

E

Answer to Question 2

(a) 35. m
(b) 69. m



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

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?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library