Kerala PSC Previous Years Question Paper & Answer
Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Engineer (Electrical) - Kerala State Electricity Board Ltd' And exam conducted in the year 2023. And Question paper code was '225/2023'. 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.
17.
18.
19.
20.
21.
22.
23.
As per Faraday’s laws of electromagnetic induction, an e.m.f. is induced in a conductor
whenever it:
(A) Lies perpendicular to the magnetic flux
(B) Lies ina magnetic field
(C) Cuts magnetic flux
(D) Moves parallel to the direction of the magnetic field
Principle of statically induced e.m-f is used in:
(A) Transformer (B) Motor
(C) Generator (D) Battery
The e.mf induced in a coil of N turns is given by:
dg dg
لك ಈ ಜ್ಯ
_ 06
(0 -N 01 ൬ 2N 97
A conductor of length of 0.8 m lies in and at right angle to a uniform magnetic field of flux
density 2 Wb/m2?. The conductor moves with a velocity of 30 m/s. Calculate the EMF induced
in the conductor. What will be the EMF induced if the conductor moves at an angle of 30° to
the magnetic field?
(A) 47V,32V (8) 48V,24V
(© 46V,35V (D) 47V,34V
Which of the following is not a part of dc machines?
(A) Armature ൯) Commutator
(C) Field winding (D) Damping winding
The load current and flux of a de motor are held constant and voltage applied across it
armature is increased by 5%, the speed of motor will :
(A) Increase by 5% (B) Reduce by 5%
(C) Remain unaltered (D) Depends on the other factor
The core flux of a particular transformer with a resistive load:
(A) _ Is strictly constant with the load changes
(2) Increases linearly with load
(C) Increases as the square root of load
(D) Decreases with increased load
225/2023 6 A