An operational amplifier is a

Two ideal diodes are connected to a battery as shown in the circuit. The current supplied by the battery is......$A$

The dominant mechanisms for motion of charge carriers in forward and reverse biased silicon $P-N$ junctions are

In a semiconductor $p-n$ diode, the doping concentrations on $p$-side and $n$-side are $10^{15} \text{ atoms/cm}^3$ and $10^{18} \text{ atoms/cm}^3$, respectively. Which one of the following statements is true?

Find the value of $V_{AB}$ in the given circuit.

In the case of forward biasing of a $p-n$ junction diode,which one of the following figures correctly depicts the direction of conventional current (indicated by an arrow mark)?