Voltage-Ampere Characteristics of Diode-1 Online Exam Quiz
Voltage-Ampere Characteristics of Diode-1 GK Quiz. Question and Answers related to Voltage-Ampere Characteristics of Diode-1. MCQ (Multiple Choice Questions with answers about Voltage-Ampere Characteristics of Diode-1
Consider the circuit shown below where the breakdown voltage of the diode is 5V. Source voltage varies between 6V to 12V.^^ Find the maximum current through the R2, given that R1=2k? and R2=5k?.
Options
A : 3.5 mA
B : 1 mA
C : 1.4mA
D : 0.2 mA
Find the power rating of the diode in the given circuit. The breakdown voltage of the diode is 5V.^
Options
A : 200 mW
B : 125 mW
C : 250 mW
D : 300 mW
For a Zener diode shunt regulator, the source current is IS, the Zener diode current is IZ and the load current is IL. The source voltage is VS, Zener voltage is VZ and load voltage is VL. The load resistance is RL. What is the correct option for the safe operation of the diode?
Options
A : IS = IZ + IL
B : IS =< IZmax + IL
C : IS =< IZmin + IL
D : VL = VZ
What happens to cut-in voltage when the temperature increases?
Options
A : Cut-in voltage increases
B : Cut-in voltage decreases
C : Cut-in voltage either increases or decreases
D : Cut-in voltage doesn't depend on temperature
What is IC 723?
Options
A : A voltage regulator
B : A full-wave rectifier
C : A half-wave rectifier
D : A clipper
What is line regulation?
Options
A : The process of keeping Zener diode voltage constant inspite of changes in AC supply
B : The process of keeping load voltage constant irrespective of the fluctuation in AC supply or the line voltage
C : The process of keeping load voltage constant irrespective of fluctuation in load current
D : The process of keeping Zener current constant irrespective of fluctuation in AC supply
What is load regulation?
Options
A : The process of keeping the load voltage constant irrespective of any change in AC supply
B : The process of keeping the load voltage constant irrespective of variations in load current
C : The process of keeping load voltage constant irrespective of variations in source current
D : The process of keeping load current constant irrespective of variations in AC supply
What is the value of the voltage equivalent of temperature at room temperature (27oC)?
Options
A : 26mV
B : 36mV
C : 0.26mV
D : 260mV
When temperature increases, reverse saturation current ___
Options
A : Increases
B : Decreases
C : Doesn't depend on temperature
D : Either increases or decreases