Physics - Semiconductors Question with Solution | TestHub

According to the circuit,

Output$=\overline{\overline{\mathrm{A}}+\overline{\mathrm{B}}}$

$\begin{array}{rl}& =\overline{\mathrm{A}}\cdot \overline{\mathrm{B}}\\ & =\mathrm{A}\cdot \mathrm{B}\end{array}$

Thus, the given circuit is a AND gate.