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
What is CDMA ?
A) Code Diversified Multiple Access
B) Code Division Multiple Access
C) Code Divergence Multiplex Access
)
D) Code Direction Multiple Access
Register that is used to hold the memory address of the next instruction to be
executed is
A) Program memory
[81]
) Program counter
C) Control unit
) Instruction decoder
A PWM switching scheme is used in single phase inverters to
A) Reduce the total harmonic distortion with modest filtering
Minimise the load on the 00 side
೧
)
) Increase the life of the batteries
) Reduce low order harmonics and increase high order harmonics
In a transistor, B maybe expressed in terms of 0: as below
a
A) گے B) سے
) 1+0 ) 1-௨
1 ட
௦) to D) 170
a a
Load impedance must match amplifier output impedance in order that
A) Minimum power is transferred to the load
B) Maximum power is transferred to the load
C) Collector circuit efficiency is highest
D) Signal to noise ratio is maximum
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