DC Biasing FETs – Exercise – 1

26. Which of the following represents the voltage level of VGS in a self-bias configuration?

(a) VG
(b) VGS(off)
(c) VS
(d) VP

Answer
Answer : (c)
Explanation
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27. The ratio of current ID to IDSS is equal to ________ for a fixed-bias configuration.

(a) 0
(b) 0.25
(c) 0.5
(d) 1

Answer
Answer : (d)
Explanation
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28. In a fixed-bias configuration, the voltage level of VGS is equal to ________.

(a) VS
(b) VG
(c) VGS(off)
(d) VP

Answer
Answer : (b)
Explanation
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29. Determine the quiescent values of ID and VGS.

(a) 1.2 mA, –1.8 V
(b) 1.5 mA, –1.5 V
(c) 2.0 mA, –1.2 V
(d) 3.0 mA, –0.8 V

Answer
Answer : (b)
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30. Calculate VDSQ.

(a) 1.0 V
(b) 1.50 V
(c) 2.56 V
(d) 3.58 V

Answer
Answer : (d)
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