Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Maintenance Engineer (Electronics)' And exam conducted in the year 2023. And Question paper code was '083/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
FINAL ANSWER KEY
Question 83/2023/0L
Paper Code:
Category 129/2020
Code:
Exam: Maintenance Engineer (Electronics)
Date of Test 14-06-2023
Department Kerala State Film Development Corporation Ltd
Question1:-What makes up the total current in a semiconductor ?
A:-Drift and diffusion current
B:-Diffusion current
C:-Drift current
D:-Drift, diffusion and biasing currents
Correct Answer:- Option-A
Question2:-What makes changes in a load current in a zener voltage regulator ?
A:-Zener current
B:-Zener voltage
C:-Zener voltage and current
D:-None of the above
Correct Answer:- Option-A
Question3:-Reason for drift current
A:-Applied electric field
B:-Motion of holes
C:-Motion of electrons
D:-Recombination of electrons and holes
Correct Answer:- Option-A
Question4:-What is the diffusion capacitance in a diode with an applied voltage of 2
volts and charge in minority carriers outside the depletion region is 1x10-8 ?
A:-6.5 nF
B:-6.5 UF
C:-6.5 pF
D:-6.5 F
Correct Answer:- Option-A
Question5:-An applied voltage of 10 volt and a resistance 1K-ohm is used with an
approximate equivalent model of a silicon diode. Find the value of diode current at
operating point.
A:-10.7 mA