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 'TRADESMAN ELECTRICAL TECHNICAL EDUCATION ENGLISH ' And exam conducted in the year 2018. And Question paper code was '098/2018'. 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.
97. Name the element used as impurity to produce N-type semiconductor 5
(മ) Gallium (8) Boron (9) Aluminium (D) Arsenic
98. Which of the following is known as metal rectifier ?
(^) Gas tube diode (3) Silicon diode
(C) Copper oxide rectifier (D) All of the above
99, Type of filter can be used along with a full wave rectifier only is .
(A) Series inductor filter (B) Pifilter
(~) Resistance Capacitance filter (D) Choke input LC filter
100. The difference between peak positive and peak negative values in AC is called
(ಹಿ) Effective value (8) Peak to Peak value
(ಲ) Maximum value (D) Average value
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098/2018 14
