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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.
94.
95.
96.
97.
98.
99.
Illumination of a surface is inversely proportional to
(A) _ square of the distance from source
(B) distance from source
(C) square root of the distance from source
(D) ബോം of the distance from the source
Barrier potential of silicon diode is approximately
(A) 03% (B)
(0) 0.7V (D)
Atomic number of Germanium
(A) 8 (B)
(C) 32 (D)
Luminous efficiency is measured in
(A) Lumens/Wh (B)
(C) Candela/Watt (D)
Which is an active component ?
(A) Resistors (B)
(C) Capacitors (D)
The emitter of a transistor is
(4) moderately doped (B)
(C) lightly doped (D)
0.4V
0.9%
30
34
Candle Power/Watt
Lumens/Watt
Diodes
nductors
heavily doped
not doped
100. Visible light is the radiation in that part of the spectrum between approximately
(A) 250 nm to 375 nm (B)
(C) 380 nmto 740 nm (D)
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340 nm to 630 nm
480 nm to 940 nm