Q.1
Which of the following statement is false for a zener diode voltage rated as “VZ“?
Questionanalog-circuits-questions-answers1.jpg
  • a) Reverse breakdown occurs at VZ
  • b) Forward breakdown occurs at VZ
  • c) Zener diode is a heavily doped diode
  • d) Usually operates in reverse bias mode
Q.2
Voltage rating of a Zener diode denotes ____________
Questionanalog-circuits-questions-answers2.jpg
  • a) Reverse breakdown voltage
  • b) Forward breakdown voltage
  • c) Voltage at which current is maximum
  • d) Maximum forward voltage which a diode can withstand
Q.3
Knee current in the case of zener diode implies _____________
Questionanalog-circuits-questions-answers3.jpg
  • a) Forward bias current beyond which I-V characteristics is a straight line
  • b) Reverse bias current above which I-V characteristics is a straight line
  • c) Forward cut-in current beyond which current is directly proportional to voltage
  • d) Maximum allowable reverse bias current through a zener diode
Q.4
Which of the following statement about a Si diode is true?
Questionanalog-circuits-questions-answers4.jpg
  • a) Cut-in voltage is always higher than the reverse breakdown voltage
  • b) Reverse saturation current is in the order of mA
  • c) Cut-in voltage is 1V
  • d) Reverse scale current is in the order of nA
0 h : 0 m : 1 s