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 '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.
225/2028
Maximum : 100 marks
Time : 1 hour and 30 minutes
1. ADC voltage source of 100 V with 1 ohm internal resistance is connected to a resistor load of
10 ohms. The current delivered to the load is:
(A) 9.09 A (8) 10൧
(0 ذو ൯൬) 11.1 &
2. Two coils A and B are mutually coupled with mutual inductance of 0.5 henry. Coil A carries a
current of (20 sin 100 t) amperes. RMS value of induced voltage in coil B is:
(^) 14.14V (B) 10V
(0) ۲٢۷ (D) Cannot be found out with given data
8. Two identical coupled inductors are connected in series. The measured inductances for the
two possible series connections are 300 1H and 200 wH. Their mutual inductance is :
(A) 10/11 ൯) 25 (प्त
(0 50 ൫ 100
4. | What is the effective resistance between A and B in the circuit below?
AO
4೧ 49
5೧ <
نم م ००
B
ധ 3൨ (B) 42
(0 58 ൬) 10೧
5. An AC circuit has a source voltage of 80 V with internal impedance of (4 + j3) ohms. The load
impedance is adjusted such that maximum power is delivered to the load. Then the load
current is:
(A) 8A (8) 10൧
(0 16A (D) 20A
A 3
[P.T.0.]