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 'ELECTRONICS' And exam conducted in the year 2015. And Question paper code was '077/2015'. 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.
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28.
29.
31.
82.
33.
Spontaneous magnetization is observed in
(a) Ferromagnetic material
(८) Dielectric material
(0).
(6)
Diamagnetic material
Paramagnetic material
The input and output impedance of an operational amplifier is respectively
(யி Zero and infinite
(८): Very high and very small
The function of AVC filter is
(லி Eliminate hum
(0) Eliminate audio frequency
(9)
(6)
0)
(6) -
The main disadvantage of JFET is relatively lower
(8) Bandwidth
{८} വദന റയി நலப்
(2)
(6)
Low and High
Very small and very high
Eliminate intermediate frequency
Prevent voltage variation
Gain
Input resistance
The eye pattern of PCM system gives information regarding
(ல ضرا
(9) Noise
At high frequency the most important noise is
(a) Partition noise
(¢) Thermal noise
PART पा
௩
(प)
(1)
(ध)
Bandwidth
Noise and Bandwidth
Shot noise
Transit time noise
(30.> 4 = 120}
(Answer the following questions shall be limited to one 28887200)
Gauss Law of Electrostatics.
Partitioning minimization procedure in FSM.
Disadvantage of tuned frequency receiver.
77/೩015
[P.T.O.]