Which direction do the photo-ejected electrons in a photovoltaic ...

[burton19126]

Which direction do the photo-ejected electrons in a photovoltaic cell travel?
 
  A) from the n-type, through a wire, to the p-type, and then back across the junction to the n-type silicon
  B) from the p-type, through a wire, to the n-type, and then back across the junction to the p-type silicon
  C) from the n-type, across the junction, into the p-type silicon
  D) from the p-type, across the junction, into the n-type silicon
  E) none of the above

Question 2

Which of the following statements describes what happens when you press a n-type silicon wafer against a p-type silicon wafer?
 
  A) The n-type wafer becomes slightly positive, while the p-type becomes slightly negative.
  B) The p-type wafer becomes slightly positive, while the n-type becomes slightly negative.
  C) There is no change.
  D) They both become slightly negative.
  E) They both become slightly positive.

[parker125]

Answer to Question 1

A

Answer to Question 2

A