« previous next »

Author Question: In a common dc circuit, electrons typically move at the speed of A) a fraction of a centimeter ... (Read 39 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
on: Jul 29, 2018
In a common dc circuit, electrons typically move at the speed of
 
  A) a fraction of a centimeter per second.
  B) a few meters per second.
  C) sound.
  D) light.
  E) none of the above

Question 2

The source of electrons lighting an incandescent ac light bulb is
 
  A) the power company.
  B) the electric outlet.
  C) atoms in the light-bulb filament.
  D) the wire leading to the lamp.
  E) the source voltage.


cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Common Bluetail Damselfly Common Bluetail Damselfly
Flexible cooling fan blades change shape as the engine speed changes. Flexible cooling fan blades change shape as the engine speed changes.
Common Signs and Symptoms of Respiratory Diseases Common Signs and Symptoms of Respiratory Diseases
Primary rainbows are the brightest and most common. Primary rainbows are the brightest and most common.
How to solve a distance, time, speed problem using linear algebra How to solve a distance, time, speed problem using linear algebra
Psychology: It’s Not Just “Common Sense” Psychology: It’s Not Just “Common Sense”
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library