Semiconductor Devices and Logic Gates · Physics · MHT CET (Biology)
MCQ (Single Correct Answer)
1
For a transistor, the current amplification factor ' $\alpha$ ' is 0.8 . The transistor is then connected in common emitter configuration. The change in the collector current when the base current changes by 6 mA is
MHT CET (PCB) 2024 22th April Evening Shift
2
By increasing the temperature, the electrical conductivity of a conductor and a semiconductor,
MHT CET (PCB) 2024 22th April Evening Shift
3
To get an output $\mathrm{Y}=1$ in the given logic circuit, the correct choice for the input is
MHT CET (PCB) 2024 22th April Evening Shift
4
Diode and resistance are connected as shown in figure. Out of the following statements which one is TRUE?
MHT CET (PCB) 2024 22th April Morning Shift
5
For a common emitter transistor configuration the ratio of $\frac{\mathrm{I}_{\mathrm{C}}}{\mathrm{I}_{\mathrm{E}}}=0.96$, then the current gain in this configuration is
MHT CET (PCB) 2024 22th April Morning Shift
6
The Boolean expression for $\mathrm{X}-\mathrm{OR}$ gate $C=(A \oplus B)$ is equivalent to
MHT CET (PCB) 2024 22th April Morning Shift