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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR MECHANICAL CONSUMER ELECTRONICS INDUSTRIAL TRAINING DEPARTMENT' And exam conducted in the year 2014. And Question paper code was '088/2014'. 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.
24.
25.
26.
27.
28.
29.
80.
31.
82.
The most popular audio oscillator :
(A) Colpitt's Oscillator
)© R-C phase shift Oscillator
The operation of thermocouple is based on :
(ಗ) TFaraday's Laws
)© Thomson effect
Usual heater voltage of picture tube :
(4) 7
© 63V
(18) Hartley Osaillator
(D} Wein-bridge Oscillator
(B) Seebeck effect
(D) None of the above
@ 9V
D) 95V
Quiscent power is the power dissipation of a transistor :
(A) With signal input
(() Under full load
Varactor diodes are used in :
(ക Switching circuits
(C) Tuning circuits
Types of diodes using in seven segment displays?
(^) दलाल
(0) Laser
IC 7912 provides an output of :
Ay 12V
© -12 ५
(B) With no signal input
(D) None of these
(B) Power Supply rectifier
(D) Allof the above
(B) LED
(D) PIN Diode
(8) 9V
(D) None of the above
Value of current amplification factor @ lies in the range of :
(५) 0.09 ೧ 0.099
(മ 20 to 2000
Indicate the false statement :
و
ےج [ക
1-6
عند ©
مر
88/2014
(೫) 991 999
(D) 9.99 ८० 9999
യു 1६ = 18 + 4८