MCQ Practice Question Electronic Devices & CircuitsBJT Amplifiers At room temperature, a BJT biased at IC=1 mA has gm closest to, using VT≈25 mV? A4 mS B20 mS C40 mS D100 mS Show AnswerHide AnswerReport an error Correct Answer: C. 40 mS Explanation: gm=IC/VT=1 mA/25 mV=0.04 S=40 mS.Reference: Standard analog electronics: transconductance calculation