Author Question: In a p-type semiconductor, a hole is A) an extra proton supplied by a donor atom. B) an extra ... (Read 92 times)

cookcarl

  • Hero Member
  • *****
  • Posts: 539
In a p-type semiconductor, a hole is
 
  A) an extra proton supplied by a donor atom.
  B) an extra electron supplied by a donor atom.
  C) a donor atom.
  D) a region where an electron is missing.
  E) a missing atom in the crystalline structure.

Question 2

A window glass that is 0.5 cm thick has dimensions of 3 m by 1.5 m. The thermal conductivity of this glass is 0.8 W/m  K.
 
  If the outside surface of the glass is at -10C and the inside surface is at 20C, how much heat flows through the window in every hour?
  A) 50 MJ
  B) 60 MJ
  C) 70 MJ
  D) 80 MJ



ilianabrrr

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

For a complete list of videos, visit our video library