1
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If three logic gates are connected as shown in the figure, then the correct truth table of the circuit is

AP EAPCET 2025 - 23rd May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 5 English
A

$$ \begin{array}{|c|c|c|} \hline A & B & y \\ \hline 0 & 0 & 1 \\ 0 & 1 & 0 \\ 1 & 0 & 0 \\ 1 & 1 & 1 \\ \hline \end{array} $$

B

$$ \begin{array}{|c|c|c|} \hline A & B & y \\ \hline 0 & 0 & 1 \\ 0 & 1 & 1 \\ 1 & 0 & 1 \\ 1 & 1 & 0 \\ \hline \end{array} $$

C

$$ \begin{array}{|c|c|c|} \hline A & B & y \\ \hline 0 & 0 & 0 \\ 0 & 1 & 0 \\ 1 & 0 & 0 \\ 1 & 1 & 1 \\ \hline \end{array} $$

D

$$ \begin{array}{|c|c|c|} \hline A & B & y \\ \hline 0 & 0 & 0 \\ 0 & 1 & 1 \\ 1 & 0 & 1 \\ 1 & 1 & 0 \\ \hline \end{array} $$

2
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Ionosphere acts as a reflector for the frequency range of

A

$3-30 \mathrm{kHz}$

B

$3-30 \mathrm{MHz}$

C

$3-30 \mathrm{~Hz}$

D

$3-30 \mathrm{GHz}$