Electronics - Bipolar Junction Transistors (BJT)

Exercise :: Bipolar Junction Transistors (BJT) - General Questions

11. 

The C-B configuration is used to provide which type of gain?

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

Answer: Option A

Explanation:

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12. 

The Q point on a load line may be used to determine:

A. VC
B. VCC
C. VB
D. IC

Answer: Option C

Explanation:

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13. 

A transistor may be used as a switching device or as a:

A. fixed resistor
B. tuning device
C. rectifier
D. variable resistor

Answer: Option D

Explanation:

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14. 

If an input signal ranges from 20–40 mu.gifA (microamps), with an output signal ranging from .5–1.5 mA (milliamps), what is the ac beta?

A. 0.05
B. 20
C. 50
D. 500

Answer: Option C

Explanation:

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15. 

Which is beta's current ratio?

A. IC/IB
B. IC/IE
C. IB/IE
D. IE/IB

Answer: Option A

Explanation:

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