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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Electronics andInstrumentation' And exam conducted in the year 2023. And Question paper code was '077/2023'. 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.
077/23
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On chip program memory of 8051 Microcontroller is
A) 128 bytes B) 4KB
C) 32 KB D) 64 KB
Name the register which points to the address of the next instruction to be
executed.
A) Program counter B) Accumulator
C) B register D) Data pointer
From the following, which section comes first in SMPS with ac input ?
A) Transformer B) Rectifier
C) Inverter Chopper D) Chopper Controller
In boost converter circuit, input source is connected to output. At that time
A
8
0
0
) Switching transistor is ON and is connected in parallel with load
) Switching transistor is OFF and is connected in series with load
) Switching transistor is ON and is connected in series with load
) Switching transistor is OFF and is connected in parallel with load
Inverter performs opposite function of
A) Rectifier B) Filter
C) Regulator D) Amplifier
One of the following UPS has no transition time delay. It is
A) OFF line UPS B) Line interactive UPS
C) Online UPS D) Standby UPS
In the following, cell using photo voltaic effect is
A) Solar Cell
B) Dry Cell
C) Lead Acid Cell
D) Secondary Cell
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