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 'JUNIOR INSTRUCTOR ELECTRONIC MECHANIC INDUSTRIAL TRAINING' And exam conducted in the year 2018. And Question paper code was '079/2018'. 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.
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If Doping level of a crystal diode is increased, the breakdown voltage .
(ಗಿ) 18 1701708500 ( is decreased
(C) remains the same (D) None of the above
A Zener diode has
(മ) One PN Junction (8) Two PN Junction
(C) Three PN Junction (D) Four PN Junction
Fermi level for extrinsic semiconductor depends on
(A) Donor Element (B) Impurity Concentration
(C) Temperature (D) All of the above
What is the maximum power rating for light emitting diodes ?
(ಹ) 150 mW (B) 300mW
(€) 500 mW യ ട്
A Transistor is a operated device.
(A) Voltage (8) Current
(C) Both Voltage and Current (D) None of the above
The Operation of JFET involves
(ಗ) Flow of minority Carriers (B) Flow of majority Carriers
(C) Recombination (D) None of the above
‘When transistors are used in digital circuits they usually operate in the :
(¢) Active Region (B) Saturation and Cutoff Regions
(C) Breakdown Region (D) Linear Region
Ifa 2 mV signal produces a 2V output, what is the Voltage Gain ?
(ക) 0.001 ൫ 100
©) 1000 (D) 0.004
Least Distortion in the Output of a Power amplifier occurs in
(A) Class A (8) 1288 8
(ಲ) Class AB (D) ClassC
079/2018 6
