Question

In the circuit shown in figure, if the diode forward voltage is $0.3V$, the voltage difference between $A$ and $B$ is

• A. $1.3V$
• B. $2.3V$
• C. $0$
• D. $0.5V$

Answer 1

The correct option is B $2.3V$

Let $V$ be the potential difference between $A$ and $B$, then
$V-0.3=(5+5)\times {10}^3\times (0.2\times {10}^{-3})=2$
or $V=2+0.3=2.3V$.