Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Electrical and Electronics Engineering TechnicalEducation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '131/2023'. 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.
34.
35.
36.
87.
38.
39.
A ceramic capacitor has an effective plate area of 4 cm? separated by 0.1 mm of ceramic of
relative permittivity 100. The capacitance of the capacitor is :
(A) 3540 pF (B) 35.4pF
(© 85408 (2). 400 8
A 10 V battery is connected across a load having a resistance of 20Q. The energy dissipated
in 2 minutes is :
(A) 1004 ൪൫ 3004
(C) 5004 ൯൬) 6004
Value of voltage V shown in fig is :
32
7
۷ 6 —— sov
٠
(A) 30V (8) 50%
(C) 40V (D) 24V
An e.m.f. of 2kV is induced in a coil when a current of 2 A collapses uniformly to zero in 4ms.
The inductance of the coil is :
(A) 40mH (8)
(0 48
4 1
0) 04H
A series RC circuit takes 250 watts at a power factor of 0.5 from a 100 V, 50 Hz supply. The
impedance of the circuit is :
(A) 502 © 20೧
( 10 (2 (D) None of the above
For the circuit shown in fig reading of the ammeter is :
6൨
(A)
رف
3A 52
7]
| ച |
۰ +
11.5 ^ ^
| ------।| |
| ர்
۷
(A) 85A (B) 3A
(0 9.54 ൯൬) 5.5 ^
131/2023 8 A