Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'POLICE CONSTABLE TELECOMMUNICATIONS POLICE' And exam conducted in the year 2018. And Question paper code was '024/2018'. 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.
38
35.
40
41
44.
45
46
In an Oscillator circuit __is very important.
(ಸಿ) Tank circuit ൫) Feedhack
Amplifier (ए) शा ज the above
system used in India for color TV transmission is :
A) NTSC (B) SECAM (€) PAL (D) None of these
The separation of sound and piclure cartier in Indian TV system :
1 MHz ൪ 45 MHz (©) 7 MHz (D) 55 MHz
Length of dipole in yagi antenna ॐ
(D) 163/f +٤ © ٤4 )8( 1431 ھ)
The purpose of saw filters in TV receivers is
(ക) To produce sawtooth signal (இ) To replace wave trap circuit
(0) produce horizontal deflection (D) To produce vertical deflection
or of half wave rectifier is
(ക) 1.21 (8) 0.48 (C) 6 (D) 81.2
Input Impedance of emitter follower is
(ಗಿ) Low ൫) Zero (©) High (D) ಟಿಚರ
shows negative resistance characteristics.
(A) ZenerDiode ൫ Power Diode (©) LED (D) Tunnel Diode
Unit
f magneto motive force is
Ampere hour (8) Ampere Turns (C) Weber (೧) Ganss
RMS value of AC is __
A) 230V (0) 0.707 س۷ (() 1.41 श (D) 0.637 Vm
ടു
024/2018
5 157.
