[Solved] In a small signal equivalent model of an FET, What does gm VGS stand for?

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Q.	In a small signal equivalent model of an FET, What does gm VGS stand for?
A.	a pure resistor
B.	voltage controlled current source
C.	current controlled current source
D.	voltage controlled voltage source
Answer» B. voltage controlled current source
Explanation: for fet, the voltage is applied across the gate and source to control the drain current, hence while writing small signal model of an fet, on the output side gm vgs represents a current source which can be controlled by the input voltage vgs.

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