Electronic Devices Circuits Breakdown Diodes Online Exam Quiz
Electronic Devices Circuits Breakdown Diodes GK Quiz. Question and Answers related to Electronic Devices Circuits Breakdown Diodes. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Breakdown Diodes
The 6V Zener diode shown has zener resistance and a knee current of 5mA. The minimum value of R so that the voltage does not drop below 6V is?
Options
A : 1.2?
B : 80 ?
C : 50 ?
D : 70 ?
In the circuit below, the knee current of ideal zener diode is 10mA. To maintain 5V across the RL, the minimum value of RL is?
Options
A : 120
B : 125
C : 250
D : 100
The zener diode in the circuit has a zener voltage of 5.8V and knee current of 0.5mA. The maximum load current drawn with proper function over input voltage range between 20 and 30V is?
Options
A : 23.7mA
B : 20mA
C : 26mA
D : 48.3mA
For the zener diode shown in the figure, the zener voltage at knee is 7V, the knee current is negligible and the zener dynamic resistance is 10?. If the input voltage (Vi) ranges from 10 to 16 volts, the output voltage (Vo) ranges from?
Options
A : 7 to 7.29V
B : 6 to 7V
C : 7.14 to 7.43V
D : 7.2 to 8V
Avalanche breakdown in zener diode is ______
Options
A : electric current multiplication takes place
B : phenomenon of voltage multiplication takes place
C : electrons are decelerated for a period of time
D : sudden rise in voltage takes place.
When the voltage across the zener diode increases_________
Options
A : temperature remains constant and crystal ions vibrate with large amplitudes
B : temperature increases and crystal ions vibrate with large amplitudes
C : temperature remains constant and crystal ions vibrate with smaller amplitudes
D : temperature decreases and crystal ions vibrate with large amplitudes
The zener diode is heavily doped because______
Options
A : to have low breakdown voltage
B : to have high breakdown voltage
C : to have high current variations
D : to maintain perfect quiescent point
A zener diode works on the principle of_________
Options
A : tunneling of charge carriers across the junction
B : thermionic emission
C : diffusion of charge carriers across the junction
D : hopping of charge carriers across the junction
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Electronic Devices Circuits Bjt Amplifier Design
Electronic Devices Circuits Bjt Circuits Dc
Electronic Devices Circuits Bjts Current Voltage Chaarcterisitcs
Electronic Devices Circuits Bjts Device Structures Physical Operations
Electronic Devices Circuits Body Effect
Electronic Devices Circuits Bridge Rectifier
Electronic Devices Circuits Campus Interviews
Electronic Devices Circuits Capacitor Filters