BJT Amplifiers – Exercise – 1

11. Which of the following is referred to as the reverse transfer voltage ratio?

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

Answer
Answer : (b)
Explanation
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12. For the collector dc feedback configuration, there is a ________ phase shift between the input and output signals.

(a)
(b) 45º
(c) 90º
(d) 180º

Answer
Answer : (d)
Explanation
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13. The ________ of the input signal is one of the first concerns in the sinusoidal ac analysis of transistor networks.

(a) period
(b) frequency
(c) magnitude
(d) None of the above

Answer
Answer : (c)
Explanation
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14. 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
Answer : (b)
Explanation
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15. The dc load line and ac load line both have the same ________ .

(a) x-intercept
(b) y-intercept
(c) slope
(d) Q-point

Answer
Answer : (d)
Explanation
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