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 'Workshop Instructor/ Demonstrator/ Instructor Grade II in Electronics and Communication' And exam conducted in the year 2023. And Question paper code was '058/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
058/23
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A Resistor with the 4 band colour code of Brown, Black, Black, Red. Its range of
value is
4൧) 9.8 - 10.2൨ B) 8-12 Q
൭) 98 - 102 Q D) 10-129
. The number of D flipflops required to implement a mod 6 Johnson counter is
A) 6 B) 3
0) 12 D) None of the above
. Which of the following is a polarized capacitor ?
A) Mica B) Ceramic
C) Electrolytic D) Paper
The upper cutoff frequency of an RC coupled amplifier is mainly due to
A) Emitter bypass capacitor
B) Coupling capacitor at the input side
C) Coupling capacitor at load side
D) Inter electrode capacitance
A common emitter transistor amplifier without emitter bypass capacitor has the
following parameters: R, = 100 KQ, Re = 10 KQ, hee = 100. Its voltage gain is
A) 10000 B) 1000
७) 100 D) 10
One of the applications of a Transformer is for
A) Impedance matching B) Frequency shifting
C) Power amplification D) Energy storage
An amplifier using operational amplifier is shown below. The value of V4, / Vin is
Ry
പപ്പി
۷۹۰-۸۸۸ Vout
where Ry = 10 KQ and Rin =1KQ
A) 10 B) 11
७) -10 D) None of the above