posted by Mandi on .
Can some one please tell me if I have the correct answer?
my answer: B
When an electron is displaced in a semiconductor, the hole that's left behind is?
A. attracted to the negative terminal of the voltage source
B. incapable of carrying a charge
C. attracted to the anode of the voltage source
D. considered an impurity in the crystal
No. The hole a net positive charge, and it migrates toward the negative source.
if you are a astronaut and you got to a planet with no magnetic field and you have no supplys all you have is 2 bars 1 magnitized and 1 is not how do you tell which 1 is magnitized and which isnt