Kerala PSC Previous Years Question Paper & Answer

Title : Tradesman (Electronics) - DEPARTMENT : Technical Education
Question Code : A

Page:7


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.

page: 7 out of 14
Excerpt of Question Code: 102/2022

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What is the First Stage of OP-Amp in Block diagram?

(^) Driver (8)
(0) Emitter Follower (D)
(^) Slew rate (8)
(0) CMRR (D)
n OP-Amp, Slew rate is Expressed 1൩:
(A) Seconds (8)
(C) Microseconds (D)
n IC 555, The Pin no.2 is:
(A) Ground (8)
(0) Output ൬)
The Voltage gain of OP-Amp, as Inverting Amplifier is :
(^) +71 (B)
(0) --1 (D)

are universal logic gates.

(^) OR Gate and AND Gate (B) OR Gate and Ex-OR Gate

(C) NAND Gate and NOR Gate (D) NOT Gate and OR Gate
Which of the following is a Quad 2 input AND Gate?

(A) 7400 (B) 7408

(C) 7432 (D) 7486
The logic gate that will have HIGH or 1 at its output when any one of its input is HIGH is
a/an ‏لت‎ gate.

(A) OR (B) AND

(0 NOT (D) NAND

will make an AND Gate to produce a HIGH output.
(4) At least one input high (B) At least one input low
(ಲ) Allinputs high 0) Allinputs low

Push Pull Amplifier
Differential Amplifier

The Ratio of differential Voltage gain Ad to the Common Voltage gain Acm in OP-Amp is:

Voltage gain
SVRR

Volts

Volts / Microseconds

Trigger
Reset

-RF x R1
RF+R1

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