The relation between ß and a is______________?
A. ß = 1 / (1 – a )
B. ß = (1 – a ) / a
C. ß = a / (1 – a )
D. ß = a / (1 + a )
TRANSISTORS
The phase difference between the input and output voltages in a common base arrangement is___________?
The phase difference between the input and output voltages in a common base arrangement is___________?
A. 180o
B. 90o
C. 270o
D. 0o
The leakage current in CE arrangement is____________that in CB arrangement?
The leakage current in CE arrangement is____________that in CB arrangement?
A. more than
B. less than
C. the same as
D. none of the above
If the value of a is 0.9, then value of ß is___________?
If the value of a is 0.9, then value of ß is___________?
A. 9
B. 0.9
C. 900
D. 90
BC 147 transistor indicates that it is made of____________?
BC 147 transistor indicates that it is made of____________?
A. germanium
B. silicon
C. carbon
D. none of the above
As the temperature of a transistor goes up, the base-emitter resistance___________?
As the temperature of a transistor goes up, the base-emitter resistance___________?
A. decreases
B. increases
C. remains the same
D. none of the above
The most commonly used transistor arrangement is____________arrangement?
The most commonly used transistor arrangement is____________arrangement?
A. common emitter
B. common base
C. common collector
D. none of the above
The output impedance of a transistor is____________?
The output impedance of a transistor is____________?
A. high
B. zero
C. low
D. very low
The emitter of a transistor is___________doped?
The emitter of a transistor is___________doped?
A. lightly
B. heavily
C. moderately
D. none of the above
The base of a transistor is____________doped?
The base of a transistor is____________doped?
A. heavily
B. moderately
C. lightly
D. none of the above