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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A wave guide is a بت 1
The shorfest wavelength having highest frequencies of the radic spectrum 15 in
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The frequency deviation in an FM transmitter having medulation index of 6 is 60 KHz, its
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The modulation system used for telegraphy is —————
Advantage of DSB over SSB full carrier AMis ——— ಸು
The characteristic impedance of a lossless transmission 1016 15 .لس سس سے
Operational amplifier operating in its non-linear saturation region can convert a sine wave
in to a —
Choose the correct answer :
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(யி Current controlled device 1 Voltage controlled device
19 Bilateral device - (ध) Both (a) and (b)
The Kirchhoff's Law fails in
(8) Linear circuits (b) Non-linear circuits
(¢} Lumped parameter circuits (dy Distributed parameter circuits
Helical antennas are used for satellite tracking at VHF because of
(a) Super refraction (0) 10008086116 760೩೧೧೫
(८) Troposcatter (6) The Faraday effect
ECL exhibits fastest switching speed because the gates use
{a) Saturated transistors 1) Unsaturated transistors
(टो Saturated diodes (6) Thyristors