List of top Physics Questions on Semiconductor electronics: materials, devices and simple circuits asked in NEET (UG)

Problem fig
The I-V characteristics shown above are exhibited by a:
In a common emitter transistor amplifier the audio signal voltage across the collector is 3 V. The resistance of collector is 3 kΩ. If current gain is 100 and the base resistance is 2 kΩ, the voltage and power gain of the amplifier is
Following diagram performs the logic function of:
logic function