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.
FINAL ANSWER KEY
Question 70/2023/01
Paper Code:
Category 053/2022
Code:
Exam: Electrical Engineer
Date of Test 07-06-2023
Department Kerala State Cooperative Coir marketing Federation Ltd
Question1:-Energy stored in a charged capacitor of capacitance C and a potential
difference of V is given by
A:-icv
B:-jcv?
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0:८८
Correct Answer:- Option-B
Question2:-If the frequency is more than resonance frequency, then a series RLC
circuit will be
A:-Inductive
B:-Capacitive
C:-Resistive
D:-Can be inductive or capacitive
Correct Answer:- Option-A
Question3:-If an impedance is connected across a voltage source V with a source
impedance of Z, then for maximum power transfer the load impedance must be
equal to
A:-Real part of Z
B:-Half of Z
C:-Source impedance Z
D:-Complex conjugate of Z
Correct Answer:- Option-D
Question4:-The reactance offered by a capacitance to an AC frquency of 60 Hz is 5
ohm. If the frequency is decreased to 30 Hz, the reactance becomes
A:-1.25 ohm
B:-2.5 ohm
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D:-10 ohm
Correct Answer:- Option-D