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 'Lineman-PWD (Electrical Wing) ' And exam conducted in the year 2021. And Question paper code was '131/2021'. 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.
1. Which law states that in closed electric circuit the applied voltage is equal to the sum
of the voltage drops?
(A) Ohm's law (B) Law of resistance
(C) Kirchhoff's first law (D) Kirchhoff's second law
2. What is the formula for Quantity of electricity (Q) ?
(A) Current x Time (B) Voltage x Current
(C) Current x Resistance (D) Voltage x Resistance
3. | Which one defines the change in resistance in Ohm (Q) per degree centigrade (°C)?
(A) Temperature effect (B) Laws of temperature
(C) Temperature constant (D) Temperature coefficient
4. Resistance of 250V, 100۷۷ lamp will be _
(A) 0.4 ൨ (8) 25 (2
(C) 625 ६2 (ഉ) 2.5௦
5. നല resistivity of conductor
(A) Decreases with increase of temperature
(B) Increases very slowly by increasing the temperature
(C) Increases sharply by increasing the temperature slightly
(D) Increases very sharply in proportion to the temperature
6. The reciprocal of resistance is
(A) Conductance (B) Susceptance
(C) Impedance (D) Reactance
7. | What are the three factors essential to make a simple electric circuit?
(A) Switch, Voltage, Fuse
(B) Current, Fuse, Conductor
(C) Electromotive force, Current, Resistance
(D) Potential difference, Quantity of electricity, Resistance
8. If short circuit is occurred in an electric circuit, then the value of resistance will be
(A) Low (B) High
(C) Zero (D) Infinity
ಸ = न. [8:0 13 |