Kerala PSC Previous Years Question Paper & Answer
Page:8
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Training Officer' And exam conducted in the year 2023. And Question paper code was '053/2023/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.
D:-40 Wb/m2
Correct Answer:- Option-B
Question37:-According to Faraday's Laws of Electromagnetic induction, an e.m.f. is
induced in a conductor whenever
A:-lt lies in a magnetic field
B:-There is a rate of change of magnetic flux through the conductor
C:-lt moves parallel to the direction of the magnetic field
D:-It lies perpendicular to the magnetic flux
Correct Answer:- Option-B
Question38:-Two coupled coils connected in series have an equivalent inductance of
8 mH or 4 mH depending on the interconnection. Then the mutual inductance M
between the coils is
A:-1 MH
B:-2 mH
C:-3 mH
D:-4 mH
Correct Answer:- Option-A
Question39:-The rms value of a sine wave is 230 V. Its peak value is
A:-162.63 V
B:-325.27 V
C:-132.39 V
D:-398.37 V
Correct Answer:- Option-B
Question40:-An alternating current is given by i = 10 sin 314t. Measuring time from
t = 0, the time taken by the current to reach - 10 A for the second time is
A:-0.02 second
B:-0.025 second
C:-0.03 second
D:-0.035 second
Correct Answer:- Option-D
Question41:-The voltage applied to a circuit is 200V2 sin(100 -t) volts and draws a
current of 20V2cos (100-t + «/4) amperes. Taking the voltage as the reference
phasor, the phasor representation of the current in amperes is
A:-20 er
8:-20 .- 1
C:-20 2 32/4
4 ےے 20-:0
Correct Answer:- Option-C