+Transconductance (gm) quantifies how much an active device's output [Current](/wiki/current) changes in response to its input [Voltage](/wiki/voltage). It represents the effectiveness of a voltage signal in controlling an output current, crucial for [Amplifier](/wiki/amplifier) circuits.
+## See also
+- [Conductance](/wiki/conductance)
+- [Resistance](/wiki/resistance)
+- [Gain](/wiki/gain)
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