In Solar Cells, the P-N Junction Allows _________

Multiple Choice

In solar cells, the p-n junction allows _________ .

A) one-way movement of electrons from p-type to n-type semiconductors
B) one-way movement of electrons from n-type to p-type semiconductors
C) one-way movement of 'holes' from the n-type to the p-type semiconductors
D) one-way movement of 'holes' from the n-type to the p-type semiconductors.
E) Both b and c