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Author Question: In a p-type semiconductor, a hole is A) an extra proton supplied by a donor atom. B) an extra ... (Read 62 times)

cookcarl

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on: Jul 29, 2018
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

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

D


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