Kerala PSC Previous Years Question Paper & Answer
Page:3
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN ELECTRONICS TECHNICAL EDUCATION QUESTION PAPER' And exam conducted in the year 2017. And Question paper code was '061/2017'. 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.
॥॥॥॥॥॥॥॥॥॥॥॥॥ 061/2017
1.
Cross over distortion will occur in
A) Push pull amplifiers
B) Complementary symmetry amplifiers
C) Emitter follower
D) Single-stage amplifiers
. In MOD-10 counter, how many flip-flop are cascaded ?
A) 2 B) 4 6003 D) Any number
. The reverss saturation current of a (9 P.N. junction doubles for every °C rise in ambisnt
temperature
A) 1°C B) 2°C
C) 10°C D) None of the above
. Memory that loses its contents when power is lost
A) Nonvolatile B) Volatile
C) Random D) Static
. In 8085, the instruction RAL is
A) One byte instruction B) Two byte instruction
C) Three byte instruction D) Four byte instruction
. Modem FM receivers use de-emphasis circuit for
A) Reducing high frequency noise
B) Reducing the amplitude of high frequencies in the audio signal
C) Increasing the amplitude of higher modulating frequencies
D) Making demodulation easy
. For sound portion of TV transmission, deviation ratio is
A) 5 8) 1.67 088 0) 200
. Negative feedback reduces distortion in the amplifier only when it
A) comes as part of input signal
B) is generated in it
C) is part of its output
D) exceeds a certain safe level
