MCQ on Analog Electronics with Answers - 1

 Multiple Choice Questions with Answers on Analog Electronics Circuits - 1


1. Which of the following method of biasing provides the best operating point stability?

a)  Fixed bias

b)  two battery bias

c)  Collectro to base bias

d)  Self bias


Answer: d

 


2. Stability factor in a fixed bias CE amplifier is given by

a)  β

b)  β +1

c)  1/(β+1)

d)  (β+1)2


Answer: b


 

3. Typically Ge transistors are operated over temperature range extending from

a)  -25oC to +175oC

b)  -65oC to +75oC

c)  -65oC to +175oC

d)  -25oC to +75oC


Answer: b

 


4. To avoid permanent damage, the maximum temperature of collector junction in Ge transistor is generally restricted to

a)  +100oC

b)  +60oC

c)  +225oC

d)  +175oC


Answer: a

  


5. To avoid permanent damage, the maximum temperature of collector junction in Si transistor is generally restricted to

a)  +100oC

b)  +60oC

c)  +225oC

d)  +175oC


Answer: c

 


6. Value of the parameter hfe of a typical transistor is of the order of

a)  5

b)  50

c)  500

d)  2000


Answer: b

 


7. Value of the parameter hie of a typical transistor is of the order of

a)  100KΩ

b)  1000Ω

c)  100Ω

d)  10KΩ


Answer: b

 


8. Value of the parameter hre of a typical transistor is of the order of

a)  2.5 x 10-4

b)  2.5 x 10-6

c)  2.5 x 10-3

d)  2.5 x 10-5


Answer: a

 


9. Value of the parameter hoe of a typical transistor is of the order of

a)  25μS

b)  2.5μS

c)  250μS

d)  2.5mS


Answer: a

 


10. Current gain of a typical CB amplifier stage is of the order of

a)  0.98

b)  50

c)  500

d)  5


Answer:  a



Hope this post on "MCQ on Analog Electronics with Answers-1" will help Electronics Engineering and Electrical Engineering students in preparation of technical interviews, GATE, IES etc.

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