Electronics - Bipolar Junction Transistors (BJT)
Exercise :: Bipolar Junction Transistors (BJT) - General Questions
| 21. |
If a 2 mV signal produces a 2 V output, what is the voltage gain? |
Answer: Option D
Explanation:
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| 22. |
The symbol hfe is the same as: |
Answer: Option A
Explanation:
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| 23. |
Most of the electrons in the base of an NPN transistor flow: |
| A. |
out of the base lead | | B. |
into the collector | | C. |
into the emitter | | D. |
into the base supply |
Answer: Option B
Explanation:
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| 24. |
In a transistor, collector current is controlled by: |
| A. |
collector voltage | | B. |
base current | | C. |
collector resistance | | D. |
all of the above |
Answer: Option B
Explanation:
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| 25. |
Total emitter current is: |
| A. |
IE – IC | | B. |
IC + IE | | C. |
IB + IC | | D. |
IB – IC |
Answer: Option C
Explanation:
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