Question
Physics Question on Semiconductor electronics: materials, devices and simple circuits
A zener breakdown occurs in a zener diode when
A
it is forward biased and electric field intensity decreases beyond a certain value
B
it is reverse biased and electric field intensity exceeds a certain value
C
potential barrier is reduced to zero
D
forward current exceeds certain value
Answer
it is reverse biased and electric field intensity exceeds a certain value
Explanation
Solution
Zener breakdown occurs in zener diode when reverse biased voltage applied to the diode is increased beyond a certain level which results in generating strong electric field