N-type material is silicone doped with which of these? A) ...

[CharlieWard]

N-type material is silicone doped with which of these?
 
  A) Antimony B) Arsenic C) Phosphorous D) All of these

Question 2

A zener diode is normally used for voltage regulation. A zener diode, however, can also be used for high voltage spike protection if connected ________.
 
  A) Positive to anode, negative to cathode
  B) Negative to anode, cathode to a resistor then to a lower voltage terminal
  C) Positive to cathode, ground to anode
  D) Both A and C

[sailorcrescent]

Answer to Question 1

D

Answer to Question 2

C