Kerala PSC Previous Years Question Paper & Answer
Page:14
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.
95, The base transport factor, o
(है) The current due to electrons injected into the collector, 1௦ the current due to electrons
injected into the base.
(8) The current due to electrons injected in the emitter, to the current due to electrons
injected in the base.
(C) The current due to electrons injected in the base, to the current due to electrons
injected in the collector.
(D) The current due to electrons injected in the base, to the current due to electrons
injected in emitter.
96, Ratio of majority to minority diffusion current in germanium is
(ಹ) 1 (8) 05
(೧) 925 യ 2
57, The GaAs tunnel diodes have
(A) Low peak voltage to valley point ratio
(B) High peak voltage to valley point ratio
(C) Lowest negative differential resistance
(D) Low tunnel current
98. The ripple factor decreases with
(A) Decrease inC (8) Increase inC
(C) Increase in frequency (D) Decrease in frequency
59. 170065 of diode in bridge full wave rectifier is opens, the output is
(ಯ 01%
(3) One fourth the amplitude of input voltage
(C) A half wave rectified voltage
(D) A 120 Hz voltage
100. The average value of halfwave rectified voltage with a peak value of 200 V 16
ல 7۷ (ए) 1273V
(೧) 141% യ) 9%
061/2018 14
