Kerala PSC Previous Years Question Paper & Answer
Page:7
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Laboratory Assistant Common Facility Service Centre' And exam conducted in the year 2023. And Question paper code was '019/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
Correct Answer:- Option-B
Question34:-Electric power consumed by an electrical appliance can be measured
using
A:-Voltmeter alone
B:-Ammeter alone
C:-Using a voltmeter and an ammeter
D:-It is not a measurable quantity
Correct Answer:- Option-C
Question35:-In an AC generator, the insulated conducting wire wound on a soft iron
core is called
A:-Slip rings
B:-Brushes
C:-Field magnet
D:-Armature
Correct Answer:- Option-D
Question36:-lf a transformer has 500 turns in its primary and 5000 turns in
secondary, what will be the secondary voltage, if the primary voltage is 5 V
A:-50 V
B:-5 V
C:-1V
D:-0.5 V
Correct Answer:- Option-A
Question37:-Transmission loss during the distribution of electricity from power
stations is generally reduced by
A:-Decreasing the current and increasing the voltage
B:-Decreasing the voltage and increasing the current
C:-Decreasing both current and voltage
D:-Increasing both current and voltage
Correct Answer:- Option-A
Question38:-In an agricultural field a 750 W water pump is used for 3 hours every
day. The daily consumption shown by the watt hour meter will be
A:-250 W
B:-One unit
C:-2250 unit
D:-2.25 unit
Correct Answer:- Option-D
Question39:-Magnetic field due to a current flowing through a circular loop is
proportional to