Electronic Devices - BJT Amplifiers

Exercise :: BJT Amplifiers - Filling the Blanks

26. 

________ refers to the forward transfer current ratio.

A. hi
B. hr
C. hf
D. ho

Answer: Option C

Explanation:

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27. 

For transistor amplifiers, the no-load voltage gain is ________ the loaded voltage gain.

A. smaller than
B. greater than
C. the same as
D. None of the above

Answer: Option B

Explanation:

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28. 

The peak value of the ac input signal is controlled by the ________ in a transistor network for the frequencies in the low to midrange.

A. resistors
B. applied dc voltage
C. capacitors
D. None of the above

Answer: Option B

Explanation:

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29. 

In an emitter-follower, the output voltage is ________ with the input voltage.

A. 45º out of phase
B. 90º out of phase
C. 180º out of phase
D. in phase

Answer: Option D

Explanation:

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30. 

________ can be applied to determine the response of the ac equivalent circuit.

A. Mesh analysis
B. Node analysis
C. Thevenin's theorem
D. All of the above

Answer: Option D

Explanation:

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