Kerala PSC Previous Years Question Paper & Answer
Page:11
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LABORATORY TECHNICAL ASSISTANT MRRTV VHSE' And exam conducted in the year 2014. And Question paper code was '218/2014'. 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.
=
11
72.
13,
The reverse breakdown in zener diode occurs due to
(^) ലി effect (0) avalanche effect
(C) breakdown effect (D) induction effect
One of the following diode can store energy in their capacitance and then generate
harmonics by releasing a pulse of current.
(A) Varactor diode (18) Schottky diode
(C) PIN diode (D) Step recovery diode
Which stage provides most of the gain and sensitivity for a super heterodyne radio |
receiver ?
(A) IF amplifier (8) AF amplifier
(¢) RF amplifier (D) Mixer
Which of the following can demodulate SSB ?
(A) Ratio detector (18) Phase discriminator
(0) Product demodulator (D) Both (A) and (B)
The third letter in transistor type number indicates
(^) specific field of application (8) temperature
(C) voltage and power rating (D} material of the device
The overall current gain of darlington transistor is equal ம |
B 2
لها ® B,
© BB, (0) + يم
11 218/2014
இ |
