Kerala PSC Previous Years Question Paper & Answer

Title : Maintenance Engineer (Electronics)
Question Code :

Page:5


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Maintenance Engineer (Electronics)' And exam conducted in the year 2023. And Question paper code was '083/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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: 5 out of 21
Excerpt of Question Code: 083/2023/OL

Question20:-What is the value of current -7. in the following figure

" {~

9 8 ~~ ‏ہے‎
‎Vv
‎A:-2 mA
B:-0.1 mA
C:-1 mA
D:-0.33 mA
Correct Answer:- Option-C

Question21:-An operational non inverting amplifier circuit in which all of the output
voltage is fed back to the inverting input is called

A:-Differentiator
B:-Logarithmic amplifier
C:-Voltage follower
D:-Integrator

Correct Answer:- Option-C

Question22:-Ildentify the true statement if a BJT transistor is operating in saturation
mode.

A:-CB and BE junction are forward biased

B:-CB and BE junctions are reverse biased

C:-CB junction forward biased and BE junction reverse biased
D:-CB junction reverse biased and BE junction forward biased
Correct Answer:- Option-A

Question23:-Which of the following are true regarding clamper ?

A. A positive clamper adds a positive DC voltage

B. Clamper can also be called as a re-inserter

C. To reduce tilt, reduce the RC value

D. Negative clamper will clamp the positive peak of output to the reference voltage

A:-All are true

B:-A and B

C:-A, B and D

D:-C only

Correct Answer:- Option-C

Question24:-In a 2 input summing amplifier with ideal Op Amp, ® = 1 KQ, ® = 5 KQ,
and Rp = 2KQ and v, = 2V, v2 = BV, Veo = +/- 10V.

A:--5 V
8:--5.2 ४
(:--4.2 ४

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