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

Author Question: The drift speed of electrons that compose current in a flashlight is about A) the speed of sound ... (Read 86 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 29, 2018
The drift speed of electrons that compose current in a flashlight is about
 
  A) the speed of sound waves in metal.
  B) the speed of light.
  C) 1000 cm/s.
  D) less than 1 cm/s.
  E) any of the above under different conditions.

Question 2

Although electrons in metal move in haphazard directions at many times the speed of sound, the drift speed of electrons that compose electric current is
 
  A) a fraction of a centimeter per second.
  B) many centimeters per second.
  C) the speed of a sound wave.
  D) the speed of light.
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


Shelles

  • Member
  • Posts: 582
Reply 2 on: Jul 29, 2018
Excellent

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Movement of sound waves through the human ear. Movement of sound waves through the human ear.
Lioness in a burst of speed while hunting in the Serengeti Lioness in a burst of speed while hunting in the Serengeti
Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa
Physical and Perceptual Dimensions of Sound Waves Physical and Perceptual Dimensions of Sound Waves
How We Localize Sound How We Localize Sound
Speed of Light in Different Mediums Speed of Light in Different Mediums
Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

For a complete list of videos, visit our video library