1. What is the primary function of a diode in electronic circuits?
2. Which statement accurately describes a Bipolar Junction Transistor (BJT)?
3. What is a key advantage of negative feedback in amplification systems?
Diode operation — bias?
Forward conducts, reverse blocks.
BJT — current relationship?
Collector current $I_C = eta I_B$.
FET — key characteristic?
Voltage-controlled with high input impedance.
Diodes — function?
Allow current in forward bias, block in reverse bias.
BJT — control?
Current-controlled device with collector, base, emitter.
FET — control?
Voltage-controlled device with high input impedance.
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