Kerala PSC Previous Years Question Paper & Answer
Page:6
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.
D:--4.8V
Correct Answer:- Option-B
Question25:-For a MOSFET in saturation the effective channel length decreases with
increase in
A:-Drain voltage
B:-Gate voltage
C:-Source voltage
D:-Body voltage
Correct Answer:- Option-A
Question26:-What is we output voltage vo when the input is 7 volt and zener
breakdown voltage of the zener diode is 10 V.
ಎಂ 1೧ Vo
A:-5 V
B:-10 V
C:-0 V
D:-7 V
Correct Answer:- Option-C
Question27:-What is the AC ripple at the output of a half a rectifier with an AC
supply of 50 Hz ?
A:-25 Hz
B:-50 Hz
C:-100 Hz
D:-15 Hz
Correct Answer:- Option-B
Question28:-At room temperature the band gap of germanium is
A:-3.4 eV
B:-0.9 eV
C:-0.7 eV
D:-1.1 eV
Correct Answer:- Option-C
Question29:-What happens when the forward current to an LED is increased ?
A:-Intensity of LED increases
B:-Intensity of LED decreases
C:-Intensity of LED increases up to a certain maximum value and after that
starts decreasing