Kerala PSC Previous Years Question Paper & Answer
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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 AND INSTRUMENTATION TECHNICAL EDUCATION KNR' And exam conducted in the year 2014. And Question paper code was '178/2014'. 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.
178/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes
1. The colour code of a 1 kQ resistance is:
(ಗೆ) Black,brown,red (8) Red brown,brown
(C) Brown,black red (D) Black,black,red
2. Anideal voltage source has :
(4) Zero internal resistance (B) Infinite internal resistance
(C) Aload-dependent voltage (0) Aload-dependent current
3. The scale used with a moving coil meter is :
(5) Linear (B) Non-linear
(C) Square law scale (D) None of the above
. 4. Electrodynamometer type of instruments can be used to measure :
(ക AC only (8) DC only
(¢) Both DC and AC (D) None of the above
5. Which of the following will serve as a donor impurity in silicon?
(A) Boron (8) Indium
(C) Germanium (D) Antimony
6. What is the barrier potential of a silicon diode at room temperature?
ಯ 031 (ठ) 0.7V
() 1V (D) 2m V per degree Celsius
7. Ripple factor of a full wave rectifier without filter will be :
(ಗ) 0.2 (೫) 0.48
(£) 4 D) 121
8. The output voltage of a Common Emitter amplifier is :
(^) Amplified © லட்
(C) 180° out of phase with the input (D) All of the above
A 3
[P.T.0.]
