Physics - Semiconductors Question with Solution | TestHub
PhysicsSemiconductorsPN junctionMedium2 minQB
PhysicsMediummultiple choice
Not all ”zener” diodes break down in the exact same manner. Some operate on the principle of zener breakdown, while others operate on the principle of avalanche breakdown. How do the temperature coefficients of these two zener diode types compare, and how are you able to discern whether a zener diode uses one principle or the other just from its breakdown voltage rating?
Options:(select one or more)
Answer:
A, C
Solution:
Low-voltage Zeners predominantly use tunneling; their temperature coefficient is negative.
Higher-voltage devices predominantly use avalanche breakdown; their coefficient is positive.
Thus A and C.
Stream:JEESubject:PhysicsTopic:SemiconductorsSubtopic:PN junction
⏱ 2mℹ️ Source: QB
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