Kerala PSC Previous Years Question Paper & Answer
Page:13
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TECHNICAL ASSISTANT LEGAL METROLOGY' And exam conducted in the year 2018. And Question paper code was '061/2018'. 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.
87,
89,
೨0,
೨1,
92,
93.
94,
Compare to offline UPS online UPS have
(¢) Less harmonic distortion and low efficiency
(B) High harmonic distortion and low efficiency
(C) Less harmonic distortion and high efficiency
(D) High harmonic distortion and high efficiency
The maximum slew rate for output voltage V= 2 sin wt, of an op amp 18
മല (7) o2
(೧) lo D) 20
An operational amplifier is basically a
(ಗಿ) Low gain amplifier (B) High gain DC amplifier
(C) High gain RC coupled amplifier (D) Low gain transformer coupled amplifier
The simplified logic expression for AB + AB' + AB is
മ കൻ (ಗ) AB
(0. ۸۵ ம) கறு
A compensating capacitor in OP AMP prevents
(A) Voltage gain (8) Oscillations
(C) Input offset current (D) Power bandwidth
For faster switching action of transistor
(ಗಿ) The value of coupling capacitor may be increased
(B) A capacitor may be connected across Ry
(C) A capacitor may be connected in series with base resistor
(D) A capacitor may be connected across the base resistance
In voltage amplifiers load resistance should be
(¢) As large as possible 8) As small as possible
(C) Equal to output impedance (D) Equal to input impedance
Relation between I, and I, in saturation condition
^) 1८ = 9४ 0) 1८> 9
(೧ 1८ < وآ (D) 1, independent of all other parameters
13 061/2018
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