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 'CSR TECHNICIAN GRII MEDICAL EDUCATION' And exam conducted in the year 2017. And Question paper code was '123/2017'. 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.
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Insulating materials are used to
(A) Conduct very large current
(8) Prevent short circuit between conducting wires
(C) Prevent open circuit between voltage source and load
(D) Store very high Current
The process of adding impurities to a pure semiconductor is called
(മ) Mixing (ஐ) Diffusing (ಲ) Forcing D)
A P-N Junction photodiode has to be 5
(മ) Reversebiased (B) Forward biased (C) Switch عه D)
A bi polar transistor is 3
(ಹ) Current control device (8) Voltage control device
(ಲ) Resistance control device (D) None of these
The most heavily doped region in transistor is )
(5) Emitter (B) Base (ಲ) வஸ் D)
The basic purpose of a filter is to
(മ) Minimize variation in output
(B) Suppress harmonics in rectified output
(C) Remove ripples from the rectified output
(D) Stabilize the DC output
Which of the following rectifiers requires 4 Diodes ?
(ಹಿ) Half wave rectifier (8) Full wave rectifier
(ಲ) Bridge rectifier (D) Voltage quadruple
The ideal OP-amp has the following characteristics
(ಹಿ) Infinite input resistance and gain, zero output resistance
(8) Infinite gain, zero input and output resistance
(ಲ) Infinite gain, input and output resistance
(D) Infinite output resistance and gain, zero input resistance
Doping
Switch off
None of these
123/2017
{P.T.O}
