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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN ELECTRONICS TECHNICAL EDUCATION QUESTION PAPER' And exam conducted in the year 2017. And Question paper code was '061/2017'. 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.
061/2017 O
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191.
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The unit of dislectric strength is
A) KV/m B) current/min.
C) ampere/second D) volts/div.
For insulators, the forbidden energy gap is of the order of
ھ ۷ B) 18V
0) 0.1 6೪ D) Zero
In an unbiased junction the thickness of charge depletion region is of the order of
A) 0.005 pm 8) 0.5 மா
©) 57 زم 109
Schottky barrier diode can be used as
A) Low noise amplifier
B) Variable capacitance device
C) Power supply rectifier
D) Low level detector
JFET has main drawback of
A) having low input impedance
B) having high output impedance
0) 06170 noisy
D) having small gain-bandwidth product
In voltage amplifiers the load resistance should be
A) as large as possible
B) as small as possible
C) equal to output impsdance
D) equal to input impedance
Darlington amplifier circuit is obtained by cascading
A) two emitter follower amplifiers
B) two CB stages
0) ೫/೦ CE stages
D) a CE stage followed by a CB stage