This topic contains a solution. Click here to go to the answer

Author Question: The average speed of electrons flowing though the filament of a dc flashlight bulb is A) about ... (Read 86 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
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
Answer to Question 1

Answer: E

Answer to Question 2

Answer: D





 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

For a complete list of videos, visit our video library