BJT Amplifiers – Exercise – 2

86. The level of re is determined by ________.

(a) a
(b) IE
(c)
(d) IB

Answer
Answer : (b)
Explanation
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87. In a voltage-divider bias configuration, the voltage-divider equation is used to determine the ________.

(a) ac level of Vb
(b) dc level of IB
(c) dc level of VB
(d) ac level of Ib

Answer
Answer : (c)
Explanation
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88. ________ refers to the forward transfer current ratio.

(a) hi
(b) hr
(c) hf
(d) ho

Answer
Answer : (c)
Explanation
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89. For the common-emitter and common-base configurations, the magnitude of ________ and ________ is often not included in the model.

(a) hr, ho
(b) hi, he
(c) hi, hr
(d) he, ho

Answer
Answer : (a)
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90. The ________ the source resistance, the ________ the overall gain of an amplifier.

(a) larger, higher
(b) larger, lower
(c) lower, lower
(d) None of the above

Answer
Answer : (b)
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