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 'Instructor Gr I (Electrical Engineering) - Technical Education' And exam conducted in the year 2020. And Question paper code was '059/2020'. 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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059/20
The function of a filter in a rectifier is to
A) Limit the total current in the rectifier
B) Limit the peak voltage of the rectifier
C) Limit the DC current
D) Reduce the ripple voltage in the output
The transistor amplifier stage has lowest input impedance in
A) CB Configuration B) CC Configuration
C) CE Configuration D) Same in all Configurations
Barkhausen criteria for sustained oscillations gives
A) AB=-1 8) AB = م C) AB=0 D) Ane
Octal equivalent of decimal (51) م is
A) و63 B) 41, C) ரூ D) 69,
Which of the following statement is incorrect ?
A) A+AB=A B) A(A+B)=AB
C) AB+AB=A D) CA+CAB=CA+CB
Astable multivibrator may be used as
A) Frequency to voltage converter B) Voltage to frequency converter
C) Squaring circuit D) Comparator circuit
Which of the following logic gate dissipates minimum power ?
A) RTL B) TTL
©) MOS D) ECL
The minimised expression for the given K-map is
| 10 |
A) CB+BD+CD B) BC+BC+CD
C) CB+BC+AC D) CB+BC+CD
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