Answer & explanation
Correct answer: option 2
$\text{ In the upper branch diode is in reversed bias so no current will flow through it}$
$\Rightarrow \text{Current will flow only through lower circuit}$
$ I = \frac{5}{30 + 20} A= \frac{5}{50}A$
Correct answer: option 2
$\text{ In the upper branch diode is in reversed bias so no current will flow through it}$
$\Rightarrow \text{Current will flow only through lower circuit}$
$ I = \frac{5}{30 + 20} A= \frac{5}{50}A$