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 'Workshop Instructor/ Demonstrator/ Instructor Grade II in Electronics and Communication' And exam conducted in the year 2023. And Question paper code was '058/2023'. 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.
058/23
. An Ideal operational amplifier does not have
A) Infinite voltage gain B) Infinite input impedance
C) Infinite output impedance D) Infinite bandwidth
. The instruction MOVC A,@A+DPTR denotes an 8051 instruction in
A) Register addressing mode
B) Direct addressing mode
C) Register indirect addressing mode
D) Indexed addressing mode
. The common collector current gain (y) of a Bipolar Junction Transistor is 10. The
value of its common base current gain («) will be
A) 9 B) 10
C) 0.9 D) None of the above
. Which of the following is not related to the specifications of a Capacitor ?
A) Value B) Power rating
C) Tolerance D) Temperature coefficient
. The figure below shows the circuit diagram of a
Trigger Input
A) Astable multivibrator
B) Monostable multivibrator
C) Bistable multivibrator
)
D) Voltage controlled oscillator
. In a series resonant circuit, at resonant frequency the current and voltage are
A) 180° out of phase B) 90° out of phase
C) 45° out of phase D) In Phase