[Answered] When a voltage is applied across a p-type semiconductor, the holes A) are destroyed. B) move ...

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Author Question: When a voltage is applied across a p-type semiconductor, the holes A) are destroyed. B) move ... (Read 38 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?

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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

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Author Question: When a voltage is applied across a p-type semiconductor, the holes A) are destroyed. B) move ... (Read 38 times)

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