You have covered a grounded metal surface with a layer of photoconductor....?

Question

You have covered a grounded metal surface with a layer of photoconductor. Working in the dark, you sprinkle negative charge onto this surface. If you now expose only the left half of the photoconductor to light, you will find that (Select one)


A) nothing happens because there is no changing magnetic field.

B) the right half becomes neutral while the left half remains negatively charged.

C) negative charge flows from the right side of the photoconductor to the left and both sides become neutral.

D) the left half becomes neutral while the right half remains negatively charged.

Why?

Answer 1

C) negative charge flows from the right side of the photoconductor to the left and both sides become neutral.