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

Author Question: An advantage in evaluating surface integrals related to Gauss's law for symmetric charge ... (Read 88 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
on: Jul 29, 2018
An advantage in evaluating surface integrals related to Gauss's law for symmetric charge distributions is
 
  A)
 
  the flux is outward.
  B)
 
  the flux is inward.
  C)
 
  the electric field is of constant magnitude on certain surfaces.
  D)
 
  the charge is always on the surface.
  E)
 
  the electric field is a constant on any surface.

Question 2

At room temperature (295 K with kT  0.025 eV), what fraction of the free electrons in a semiconductor with an energy gap of 1.5 eV can be expected to be in the conduction band?
 
  A)
 
  10-9
  B)
 
  10-13
  C)
 
  10-30
  D)
 
  0.03
  E)
 
  10-15


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dnite

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


EY67

  • Member
  • Posts: 531
Reply 2 on: Jul 29, 2018
Excellent

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Evaluating the Angle of the Anterior Chamber Evaluating the Angle of the Anterior Chamber
The Sun as it appears from the surface of the Earth at sunrise. The Sun as it appears from the surface of the Earth at sunrise.
General Intelligence is Related to Various Outcomes General Intelligence is Related to Various Outcomes
Binding of a chylomicron to lipoprotein lipase on the inner surface of a capillary Binding of a chylomicron to lipoprotein lipase on the inner surface of a capillary
Ocean cover most of Earth’s surface Ocean cover most of Earth’s surface
In Canada, disease-related deaths become increasingly common during middle adulthood In Canada, disease-related deaths become increasingly common during middle adulthood
Video: Gastroesophageal Reflux Disease (GERD)

For a complete list of videos, visit our video library