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 'Electrical Engineer' And exam conducted in the year 2023. And Question paper code was '70/2023/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.
Question10:-When an R-L circuit is switched on across a DC source of voltage V
volts, the expression for the current is given by
കാച്ചി)
Correct Answer:- Option-A
Question11:-A magnetic circuit has a m.m.f. of 80 AT and a reluctance of 4x03 AT/Wb.
The magnetic flux in the magnetic circuit is
A:-320x108 WD
B:-20x10-5 Wb
C:-40 wb
D:-sx10-3 wb
Correct Answer:- Option-B
Question12:-Out of the following materials, the area of hysteresis loop will be least
for
A:-wrought iron
B:-hard steel
C:-silicon steel
D:-soft iron
Correct Answer:- Option-C
Question13:-Reciprocal of reluctance is
A:-Susceptance
B:-Susceptibility
C:-Permeance
D:-Permeability
Correct Answer:- Option-C
Question14:-According to lenz's law the induced EMF opposes the
A:-Flux
B:-Change in Flux
C:-Both Flux and change in flux
D:-None of the above
Correct Answer:- Option-B
Question15:-The conductor is stationary and magnetic field linked with it is varying.
Then the EMF induced in the conductor is known as
A:-Statically induced EMF
B:-Dynamically induced EMF