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) Positive to cathode, ground to anode
C) Negative to anode, cathode to a resistor then to a lower voltage terminal
D) Both A and C
Ans: B) Positive to cathode, ground to anode
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