The measured transconductance gm of an NMOS transistor operating in the linear region is plotted against the gate voltage VG at constant drain voltage VD. Which of the following figures represents the expected dependance of gm on VG?

The measured transconductance gm of an NMOS transistor operating in th

1.	The measured transconductance gm of an NMOS transistor operating in the linear region is plotted against the gate voltage VG at constant drain voltage VD. Which of the following figures represents the expected dependance of gm on VG?
A.	<img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-06-45-1.png">
B.	<img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-06-45-2.png">
C.	<img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-06-45-3.png">
D.	<img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-06-45-4.png">
Answer» D. <img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/5-06-45-4.png">