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 'ELECTRICIAN HEALTH SERVICES MEDICAL EDUCATION SERVICE ARCHAEOLOGY QUESTION PAPER' And exam conducted in the year 2017. And Question paper code was '047/2017'. 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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Collector current, ಗ of BJT =
A) I का, 8( -1, 0( و2-۔ے] 0) ௩2
Capacitive reactance is
A) Directly proportional to frequency B) Directly proportional to capacitance
C) Independent on frequency D) Inversely proportional to frequency
Current gain of common base amplifier is
A) Always less than 1 B) Always greater than 1
C) Equalto 1 D) None of the above
Frequency of rotor current of induction motor is
A) Frequency of stator current B) Slip x frequency of stator current
C) Frequency of stator current/slip D) Slip/frequency of stator current
Which of the following motor is not self starting ?
A) Universal motor B) DC shunt motor
C) Single phase induction motor D) 3 phase induction motor
Electric charge, Q =
A) Vxt ७ ०२ D) Ixt
Which is wrong about the speed control of dc shunt motor by field control method ?
A) Itis economical
B) Speed can be varied above normal speed
C) Speed cannot be varied above ೧೦೧೧೫ 90696
D) Commutation becomes unsatisfactory
Which is constant speed motor ?
A) Synchronous motor B) Universal motor
C) DC series motor D) DC compound motor
Unit of mmf
A) Weber B) Ampere turns C) Tesla D) Henry
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