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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Electronics) - DEPARTMENT : Technical Education ' And exam conducted in the year 2022. And Question paper code was '102/2022'. 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.
25. The fuse rating is expressed in terms of :
(^) Voltage (B) Power
(C) Resistance (D) Current
26. The Maximum reverse Voltage that can be applied to the Diode without destruction is :
(ಯ) Peak Inverse Voltage (B) Maximum Forward Voltage
(C) Forward Voltage (D) Maximum Average Voltage
27. The PIV of Full Wave Bridge Rectifier is :
(A) 2Vm (B) ٥ص
(C) Vm (D) 4Vm
28. What is the Ripple factor of Half wave Rectifier?
(^) 0.482 (B) 1.21
(C) 0.472 (D) 1.22
29. Both NPN and PNP Transistors are equally useful in electronics Circuits, However NPN
Transistors are :
(A) NPN Has High Doping Level (2) Big Size
(C) Higher Switching Speed (D) Easily Operated
30. The Forward Voltage Across the Base-Emitter PN Junction of Transistor is referred to as :
(A) VEB (B) VCB
© VCC (D) VCE
81. The Maximum Permissible Collector Current IC (max) of Transistor BC 548 15 :
(A) 20mA رق 50mA
(C) 200 mA (D) 30mA
82. The Phase Relationship between Input and Output Wave forms in Common Emitter
Configuration is :
(A) 0° Phase shift (B) 180° Phase shift
(C) 270° Phase shift (D) 90° Phase shift
33. What is the meaning of first letter indicated in the Transistor Code Number BC 107?
(^) Silicon Material is Used (B) Germanium Material is Used
(C) Antimony Material is Used (D) Bizmuth Material is Used
102/2022 6 A