The current (I) in the circuit will be : -

\(\frac{5}{40}A\)
\(\frac{5}{50}A\)
\(\frac{5}{10}A\)
\(\frac{5}{20}A\)
The correct option is (B): \(\frac{5}{50}A\)
Equivalent ckt is

I=\(\frac{5V}{(30+20)\Omega}\)
I=\(\frac{5}{50}A\)

Semiconductors are a crystalline solid materials, whose electrical conductivity lies between a conductor and an insulator. Semiconductors are mainly used in the manufacturing of electronic devices like capacitors, transistors, diodes, Integrated circuits, etc.