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Bipolar Junction Transistors (BJT) - General Questions

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  • Bipolar Junction Transistors (BJT) - General Questions
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Bipolar Junction Transistors (BJT) - General Questions

1. 

What is the collector current for a C-E configuration with a beta of 100 and a base current of 30 mu.gifA?

A. 30mu (1) A
B. .3mu (1) A
C. 3 mA
D. 3 MA

Answer: Option C

Explanation:

No answer description available for this question.

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2. 

Which is the higher gain provided by a C-E configuration?

A. voltage
B. current
C. resistance
D. power

Answer: Option D

Explanation:

No answer description available for this question

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3. 

If a transistor operates at the middle of the dc load line, a decrease in the current gain will move the Q point:

A. off the load line
B. nowhere
C. up
D. down

Answer: Option D

Explanation:

No answer description available for this question

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4. 

The input/output relationship of the common-collector and common-base amplifiers is:

A. 270 degrees
B. 180 degrees
C. 90 degrees
D. 0 degrees

Answer: Option D

Explanation:

No answer description available for this question

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5. 

For a C-C configuration to operate properly, the collector-base junction should be reverse biased, while forward bias should be applied to which junction?

A. collector-emitter
B. base-emitter
C. collector-base
D. cathode-anode

Answer: Option A

Explanation:

No answer description available for this question.

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6. 

Often a common-collector will be the last stage before the load; the main function(s) of this stage is to:

A. provide voltage gain
B. provide phase inversion
C. provide a high-frequency path to improve the frequency response
D. buffer the voltage amplifiers from the low-resistance load and provide impedance matching for maximum power transfer

Answer: Option D

Explanation:

No answer description available for this question

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7. 

Total emitter current is:

A. IE – IC
B. IC + IE
C. IB + IC
D. IB – IC

Answer: Option C

Explanation:

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8. 

In a transistor, collector current is controlled by:

A. collector voltage
B. base current
C. collector resistance
D. all of the above

Answer: Option A

Explanation:

No answer description available for this question

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