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

Author Question: The average speed of electrons flowing though the filament of a dc flashlight bulb is A) about ... (Read 89 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
on: Jul 29, 2018
The average speed of electrons flowing though the filament of a dc flashlight bulb is
 
  A) about the same speed as sound in metals.
  B) dependent on how quickly electrons bumps into one another.
  C) the speed of light.
  D) 1000 cm/s.
  E) a snail's pace of less than 1 cm/s.

Question 2

The source of electrons in an ordinary electric circuit is
 
  A) a dry cell, wet cell, or battery.
  B) usually a wall socket.
  C) a generator at the power station.
  D) the electric conductor itself.
  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

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: D


piesebel

  • Hero Member
  • *****
  • Posts: 565
Reply #2 on: Jul 29, 2018
TY


kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period
Electrons Electrons
How to find the average value of a function (Part 2) How to find the average value of a function (Part 2)
A thick filament of myosin II molecules A thick filament of myosin II molecules
The sliding filament model of muscle contraction The sliding filament model of muscle contraction
How to find the average atomic mass of an element How to find the average atomic mass of an element
Video: Arthroscopy

For a complete list of videos, visit our video library