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 34 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
Great answer, keep it coming :)

AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Speed of Earth Speed of Earth
Covalent bonds form by the sharing of electrons Covalent bonds form by the sharing of electrons
The physician uses percussion—tapping—to detect sound or vibration. The physician uses percussion—tapping—to detect sound or vibration.
Co-current flow in a concentric tube heat exchanger Co-current flow in a concentric tube heat exchanger
An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ... An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ...
A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ... A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ...
Video: Ear Virtual Tour Animation

For a complete list of videos, visit our video library