Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 8 (Q.No. 29)
29.
The JFET in the circuit shown in figure has an IDSS = 10 mA and Vp = -5 V. The value of the resistance Rs for a drain current IDS = 6.4 mA is (select the nearest value)
Answer: Option
Explanation:
6.4 x 10-3 = 10 x 10-3
= 0.8
= 0.8 - 1 = - 0.2
VGS = -5 x 0.2 = -1 V
IDSRS = -VGS = - (-1) = 1
= 0.156 x 103 = 156 Ω.
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