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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADES MAN ELECTRONICS TECHNICAL EDUCATION TVM KTYM KKD' And exam conducted in the year 2014. And Question paper code was '172/2014'. 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.
34.
35.
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42.
வி மறவ ratio can فت improved by —
കര ക
(0) 1156 Modulation
100 micro farad is Tarad.
(4) 0.1
(£) 0.0001
Unit of Capacitive reactance 38:
(ക Farad
تم Ohm
The turns ratio of a transformer for matching 8Q impedance to 2000 1s:
@) 1
(0) 1:5
(0)
Dy
08
(0)
(0)
D)
(0)
(0)
amplifier is used as voltage amplifier.
(ക) Transformer Coupled
(0 LC Coupled
In BC 148 transistor ‘B’ stands for:
(A} Germanium
(0 * Cadmium Sulphide
Efficiency of Bridge rectifier is:
(^) 6
(5 100%
Ripple factor of hall wave rectifier is:
(ಗ) 0.48
(1. 141
RMS value of sine wave is:
(^) 0.707 Vm
(൭ L1Vm
(B)
യു
फ)
0)
(0)
(D)
(0)
D)
(8)
D)
modulation
M
None of these
0.01
0.001
Micro farad
Henry
1:8
1:400
Direct Coupled
RC Coupled
Gallium arsenide
Silicon
50%
81.2%
0.81
1.4
0.636 Vm
Naone of these
172/2014
17.1.0]