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

Author Question: When a voltage is applied across a p-type semiconductor, the holes A) are destroyed. B) move ... (Read 41 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
on: Jul 29, 2018
When a voltage is applied across a p-type semiconductor, the holes
 
  A) are destroyed. B) move toward the negative electrode.
  C) do not move. D) move toward the positive electrode.

Question 2

If the efficiency of a reversible engine is 28, what is its COP (performance coefficient) operated (a) as a refrigerator, and (b) as a heat pump?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

johnharpe

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

(a) 2.6 (b) 3.6


dejastew

  • Hero Member
  • *****
  • Posts: 562
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


johnharpe

  • Sr. Member
  • ****
  • Posts: 338
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Type II Tissue Specific Reactions Type II Tissue Specific Reactions
An experimentally made Oldowan type core. An experimentally made Oldowan type core.
Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ... Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ...
Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit.
Checking the 5 volt reference from the computer being applied to the TP sensor with the ignition ... Checking the 5 volt reference from the computer being applied to the TP sensor with the ignition ...
Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ... Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ...
Video: Chemical Equilibrium between N2O4 (colorless gas) and NO2 (brown gas)

For a complete list of videos, visit our video library