Physics Questions And Answers :: Transistor Characteristics: part1



Basic Science : Transistor Characteristics QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

6.In a common base transistor circuit, the ratio of variation of collector current to the corresponding variation of emitter current at constant collector to base potential is

current gain
input impedance
output impedance
voltage amplification factor

7.The common emitter circuit has

low input independence and high power gain
low input independence and low power gain
high input independence and high power gain
high input independence and low power gain

8.If α = 0.9, the value of β is

0.9
49
9
10

9.The input impedance of a common emitter NPN transistor is the between

the variation in emitter-base potential and the corresponding variation in the base current at constant collector-emitter potential
the variation in collector current to the corresponding variation in emitter current at constant collector base potential
the variation in the collector current to the corresponding change in the collector base voltage at constant emitter current
the variation in the emitter current to the corresponding variation in collector current at a constant collector emitter voltage

10.The value of IE in a transistor for which β = 50 and IB =20 µA is

0.2 mA
0.5 mA
1.02 mA
1.02 µA

More Transistor Characteristics QUESTIONS AND ANSWERS available in next pages

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