Module 4 Set-2

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#1. IC's PROPERTY :

HIGH COST

CAN BE USED IN HIGH TEMPERATURE

LARGE VOLUME

#2. THE ORGANIC COATING ON PCB IS :

TO PROTECT THEM FROM OXIDATION OF CONTAMINATION

TO PROTECT THEM FROM DAMAGE

TO PROVIDE STIFFNESS

#3. TUNNEL DIODE :-

-ve RESISTANCE RANGE

+ve RESISTANCE RANGE

NEUTRAL RESISTANCE RANGE

#4. THICKNESS OF PCB DEPENDS UPON :

NO. OF ELEMENTS TO BE FITTED

POSITION OF PCB IN A/C SYSTEM

STRENGTH & STIFFNESS REQUIRED

#5. EMITTER WHEN FORWARD BIASED :-

LOW RESISTANCE B/W EMITTER & BASE

LOW RESISTANCE B/W BASE & COLLECTOR

NONE

#6. TRANSISTOR CAN BE REGARDED AS COMBINATION OF -

2 DIODES

3 DIODES

4 DIODES

#7. IN NPN TRANSISTOR :

THE EMITTER IS NEGATIVE W.R.T BASE

THE EMITTER IS POSITIVE W.R.T BASE

THE EMITTER IS POSITIVE W.R.T COLLECTOR

#8. AN IC HAS _________ SIZE.

LARGE

VERY LARGE

EXTREMELY SMALL

#12. ELECTRICAL TESTING OF PCB :

INDIVIDUAL COMPONENTS

WHOLE BATCH OF PCB

EACH BATCH OF PCB

#13. FOR A DIODE TO BE FORWARD BIASED, THE ANODE MUST :

NEGATIVE

POSITIVE

NEUTRAL

#14. IN TRANSISTORS :

3 TERMINALS ARE TAKEN FROM 3 SEMICONDUCTOR LAYERS

2 TERMINALS ARE TAKEN FROM 3 SEMICONDUCTOR LAYERS

NONE

#15. HOW TO READ (1011) BASE 2 ?

ONE THOUSANDS ELEVEN

ONE ZERO ONE ONE

TEN ELEVEN

#16. IN VARACTOR DIODES :-

DECREASE IN R.B VOLTAGE INCREASES CAPACITANCE

INCREASE IN R.B VOLTAGE INCREASES CAPACITANCE

DECREASE IN R.B VOLTAGE DECREASES CAPACITANCE

#17. THE BASE MATERIAL OF PCB IS :

SEMICONDUCTOR

CONDUCTOR

INSULATORS

#18. WHICH OF THE FOLLOWING CAN'T BE MOUNTED IN IC ?

TRANSFORMERS

RESISTOR

DIODE

#19. WHICH OF THE FOLLOWING IS DIFFICULT TO MOUNT IN IC ?