Exercise: Bipolar Junction Transistors

Questions for: Bipolar Junction Transistors

An emitter-follower has a voltage gain that is __________.
A:
much less than one
B:
approximately equal to one
C:
greater than one
D:
zero
Answer: B
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VCE approximately equals ________ when a transistor switch is in saturation.
A:
VC
B:
VB
C:
0.3 V
D:
0.7 V
Answer: C
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The signal voltage gain of an amplifier, AV, is defined as __________.
A:
fba12_1005a1.gif
B:
AV = IC x RC
C:
fba12_1005c1.gif
D:
fba12_1005d1.gif
Answer: A
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The input resistance, Rin of a common-collector amplifier, consists of ____________.
A:
Rin = RE × AC Current Gain
B:
fba12_1009b1.gif
C:
Rin = RE × alpha.gif
D:
none of the above
Answer: A
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VCE approximately equals ________ when a transistor switch is cut off.
A:
VCC
B:
VB
C:
0.2 V
D:
0.7 V
Answer: A
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