Semiconductor Devices and Logic Gates · Physics · AP EAPCET
MCQ (Single Correct Answer)
1
Consider the statements In a semiconductor
(A) There are no free electrons at 0 K.
(B) There are no free electrons at any temperature.
(C) The number of free electrons increases with temperature.
(D) The number of free electrons is less than that in a conductor.
AP EAPCET 2022 - 4th July Evening Shift
2
Output of following logic circuit is
AP EAPCET 2022 - 4th July Morning Shift
3
The truth table given below corresponds to logic gate.
AP EAPCET 2021 - 20th August Morning Shift
4
A transistor is connected in common emitter configuration. The collector supply is $$8 \mathrm{~V}$$ and the voltage drop across a resistor of $$800 \Omega$$ in the collector circuit is $$0.5 \mathrm{~V}$$. If the current gain factor $$\alpha$$ is 0.96, then the base current is
AP EAPCET 2021 - 19th August Morning Shift