Kerala PSC Previous Years Question Paper & Answer
Page:11
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN ELECTRICAL AND ELECTRONICS ENGINEERING GOVST POLYTECHNICS TECHNICAL EDUCATION' And exam conducted in the year 2016. And Question paper code was '167/2016'. 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.
88. Given two continuous time signals तू ( = €! वपत 2/1) ಇ 01! ೫0101 exist for £>0, their
convolution is :
(A) ಕೆ 80 ൦-൦?
(@ € യ ൦8൦
89. A rectangular current pulse of duration T and magnitude 1 has the Laplace tranaform :
@ 1 7) 1-2
-7+
രര = ™ s
s
90. For the function F(s)=——— o the initial value of /(¢) is equal to :
33" *108-1)
ക 10 ® 1
(0) o 1) ०
91. What does Vou equal in the following figure?
1K 82K
2mV اجلہہ Vout
3 ४५ لزنه
1K
லி —41mV > ® 5४
(© 8.2 ४ )0( 77
92. For a Butter worth filter of second order, the gain of the amplifier should be :
(ಗ) 4 2) 1
(0 2 © 6
93. What are the trip points of the following Schmitt trigger circuit?
تر
-
5V
A )
3 478
1೬೧
(A) OV and 1V (B) +0.127 and -0.127
(C) +0.271 and -0271V (D) +0.32 and -0.32 V
A 13 167/2016
[P.T.0.]
