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.
Question10:-Reason for the slope of the output characteristics of a CB configuration
to be lower than that of a CE configuration is
A:-Avalanche effect
B:-Zener effect
C:-Early effect
D:-Hall effect
Correct Answer:- Option-C
Question11:-What is the slew rate of IC 741 Op Amp with a bias current 1o=2244 and
internal frequency compensation capacitor c,=30F ?
A:-1.26
B:-0.73
C:-0.6
D:-1.58
Correct Answer:- Option-B
Question12:-In the case of an ideal operational amplifier, which of the following is
A:-Input resistance = ~ , output resistance = 0, bandwidth = وہ
B:-Input resistance = ~ , output resistance = « , bandwidth = «
C:-Input resistance = 0, output resistance = 0, bandwidth = 0
D:-Input resistance = 0, output resistance = bandwidth = =
Correct Answer:- Option-A
Question13:-What is a Schmitt trigger ?
A:-Comparator with negative feedback
B:-Comparator with positive feedback
C:-Pulse generator positive feedback
D:-Wave generator negative feedback
Correct Answer:- Option-B
Question14:-Consider the following statements :
A. MOSFET is a voltage controlled oscillator.
B. BJT is slower than MOSFET.
C. BJT has higher bandwidth than MOSFET.
D. MOSFET has lesser thermal stability than BJT.
A:-All are true
B:-A, B and C are correct
C:-A, B and D are correct
D:-A and B are correct
Correct Answer:- Option-B
Question15:-What is the condition to create depletion channel in an n channel
enhancement MOSFET ?