21. Ipss = 20 mA and Vcs(off) = -6 V for a particular JFET. (a) What is Ip when VGs = 0 V? (b) What is Ip when VGs = VGs(of? (c) If VGs is increased from -4 V to –1 V, does In increase or decrease?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
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**21.** Given \( I_{DSS} = 20 \, \text{mA} \) and \( V_{GS(\text{off})} = -6 \, \text{V} \) for a particular JFET.

**(a)** What is \( I_D \) when \( V_{GS} = 0 \, \text{V} \)?

**(b)** What is \( I_D \) when \( V_{GS} = V_{GS(\text{off})} \)?

**(c)** If \( V_{GS} \) is increased from \(-4 \, \text{V} \) to \(-1 \, \text{V}\), does \( I_D \) increase or decrease?
Transcribed Image Text:**Transcription:** **21.** Given \( I_{DSS} = 20 \, \text{mA} \) and \( V_{GS(\text{off})} = -6 \, \text{V} \) for a particular JFET. **(a)** What is \( I_D \) when \( V_{GS} = 0 \, \text{V} \)? **(b)** What is \( I_D \) when \( V_{GS} = V_{GS(\text{off})} \)? **(c)** If \( V_{GS} \) is increased from \(-4 \, \text{V} \) to \(-1 \, \text{V}\), does \( I_D \) increase or decrease?
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