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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'INSTRUCTOR GR I ELECTRONICS ENGINEERING COLLEGES TECHNICAL EDUCATION' And exam conducted in the year 2014. And Question paper code was '155/2014'. 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 PN junction in photodiode is :
(ಗಿ) forward biased
(B) forward biased in the constant current region
(C} either forward or reverse biased
(D) reverse biased
Which MOSFET amplifier is best suited for high frequency applications ?
കു ടേ @) € ട്ര ತ (D) Source fallower
A particular application requires dc level restoration of sinusoidal signals circuit
can be used for dc restoration.
(ಗಿ) clamping (ए)
The input resistance of a CE amplifier can be increased by :
(ಗಿ) increasing the input bias resistor
(ह) including a coupling capacitor at the i/p
(€) including an unbypassed resistance in the emitter lead
(D) increasing the input veltage
Some properties of negative feedback are listed. Choose the property which is not applicable
10 negative feedback :
(A) Gain enhancement (B) Gain desensitivity
(८) Bandwidth extension (D) Noise reduction
Op-amp integrator can நகல் க filter:
(ക) ۶ (ए) ளா (€) गि (D) لام
___ ലയി! can be used as a sine wave lo square wave converter. (of same frequency)
(வ) வியப் மஹ (B) Integrator
(C) Differentiator (D) Multivibrator
A non-inverting amplifier with a gain of 10 is to be designed. 1 R, and R, are the resistors
used, the possible values of Reand R; are جا respectively,
(4) 10,18೧ 0 100,10 نا 1014), 1016} = (>) 910,110
Cne input of a 2 input EXOR gate is connected to logic 1 and to the other input *A’ is given.
The output of EXOR is :
കര 1 (B A (0 0 (D) A
5 155/2014
1.7.0.