AI Gen: Semiconductor Devices question bank (Physics)

In a common emitter transistor amplifier, the audio signal voltage across the collector resistance of $2\text{ k}\Omega$ is $2\text{ V}$. If the current amplification factor $\beta$ is $100$ and the base resistance is $1\text{ k}\Omega$, the power gain of the amplifier is:

Topic: Semiconductor Devices | Source: AI Generated (JEE Main)

Identify the logic operation performed by the combination of gates shown: two NOT gates connected to the inputs of an AND gate, followed by a NOT gate at the output.

Topic: Semiconductor Devices | Source: AI Generated (JEE Main)