Kerala PSC Previous Years Question Paper & Answer
Page:17
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.
4
8:- 01+600 8,
യ
0:- னிட)
(1+joRC)
D:- (+R, /R,)
Correct Answer:- Option-C
Question80:-The Q-factor of a bandpass filter with /, and /, as the upper and lower
cut off frequency, respectively, is
Question81:-
What is the value of يع 10 obtain output voltage, ८४ = 7.5 V ? (The IC 7805 gives 5V
regulated output with a quiescent current, 7e = 4.2 mA and a designed value of 25
mA through 200 Q resistor).
A:-= 85 0
5:-- 120௦
C:-= 500
D:-= 1kQ
Correct Answer:- Option-A
Question82:-The advantage of using a dual slope ADC in a digital voltmeter is
A:-Low pass consumption
B:-BCD format output
C:-Accuracy is high
D:-Conversion time is very small
Correct Answer:- Option-C
Question83:-The number of comparators in 4-bit flash ADC is
A:-15
B:-16
C:-8