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 '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.
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The process of converting AC to DC is known as:
(ക) Rectification (0) Amplification
(0 Filtering 10 Inverting `
An Oseillator Cireuit uses —————— leedback,
(4) Positive (2). Negative
(¢) DBoth (A) and (B) (D) None of these
If the voltage gain of an amplifier is 100, then the gain in decibel is:
കര 20 (B) 100
© 40 (1) مہ
The transfer of current from one conductor to another without electrical conneetion:
(ക) is not possible (13) will produce heavy heat and are
(C) ie by air gap transmission (D) is by induction
The opposition offered by a coil to AC is called:
(ക Capacitive Reactance (B) Inductive reactance
(¢) Impedance ௩) Resistance
Frequency response of an amplifier മേ be improved by —————— feedback.
(ಗ) Positive (B) Negative
(0 Both (A) and (B} (2) None of these
The resistance of a diode is —————— when it is forward biased.
(லி Maximum രു Minimum
(C) 7080 (D) None of these
P-type semiconductor has excess of —————— charge.
(ಯ) Positive ४ .. (B) Negative
(0) DBoth (A) and (B) (D) None of these
Op-Amp has ————— output impedance,
ക High (18) Zero
(©) Infinity (D) Low
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