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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Electronics) - DEPARTMENT : Technical Education ' And exam conducted in the year 2022. And Question paper code was '102/2022'. 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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The Most Widely used type of biasing in Linear Transistor Circuit is :
(^) Base Bias (B) Emitter Bias
(C) Voltage divider Bias (D) Emitter feedback Bias
All radios, tape recorders and Televisions invariably use Negative feedback in circuits for a
function :
(A) Automatic frequency Control (B) Automatic gain Control
(C) Automatic Line Control (D) Automatic Level Control
How the Maximum Permissible Collector-Base Voltage that can be Applied across
Collector-Base is?
(^) VCB(max) 2) VCE(max)
(0) VEB(max) (D) VCC(max)
Which Type of Package is used to Transistors Utilized for medium and Power amplifications?
(^) Plastic Package (B) Metal Package
(C) Ceramic Package (D) Plastic Package with Heat Sinks
Which Coding System for Transistor type numbering system is followed by European
Standard?
(A) JIS Standard (B) Home code
(C) JEDEC Standard ൯൩) Pro-Electron Standard
The type — Code Printed on a Zener is BZC9V1, the Letter ‘C’ indicates is :
(^) Silicon (B) Zener
(C) 5% Tolerance (D) Voltage regulator
JFET is Commonly Used as input amplifiers in Voltmeters, Oscilloscopes and other
Measuring Devices, due to :
(A) High Maximum Drain Source Voltage 5
(B) Maximum Forward gate Current IG
(C) High Input Impedance
(D) Low Input Impedance
What is the Package type for JFET BFW10?
(A) 92 (8) TO-92
( TO-82 (0) TO-102
7 102/2022
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