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 'Electrician/ Lineman - KAMCO Ltd/ PWD' And exam conducted in the year 2021. And Question paper code was '015/2021'. 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.
25. Which law states that the magnitude of the induced emf is directly proportional to the
rate of change of flux linkage ?
(ಹಿ) Faraday's First Law of Electromagnetic Induction
(B) Lenz's law
(0) Faraday's Second Law of Electromagnetic Induction
(2) End rule
26. What is the expansion form MMF as regarding of electromagnetism ?
(A) magneto moto force (B) magnetic moto force
(C) magneto motive force (D) magnetic motor force
27. The property of magnet which opposes magnetic flux through is called
(A) Permeability (B) Residual magnetism
(೮) Reactance (D) Reluctance
28. What is the unit of magnetic flux density 7
(A) Ampere-turns (B) Weber
(0) Ampere/em? (D) Web/m?
29. Three capacitors 25 पापि, 125 mfd and 150 mfd are connected in parallel, find the value
of total capacitance.
(A) 25 ति (B) 150 mfd
(C) 125 mfd (D) 300 mfd
30. What is the correct relationship between capacitance (C), voltage (V) and electric
charge (Q) ?
(A) رم ۷ے C=VxQ
(C) Q=vic (D) V=CxQ
31. Which of the following average value of AC sine wave ?
(A) 0.637 Imax (B) 6.37 Imax
(൭ 0.707 Imax (D) 7.07 Imax
32. The ratio of effective value to average value of half cycle 18 called as
(^) © factor (൫) Form factor
(C) Power factor (D) Rating factor
33. What is the unit of susceptance ?
(ಹ) Henry (B) Ohm
)0 Mho (D) Volt
015/2021 ` 6 ↽∆