Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
A p-n junction diode is reverse biased with a voltage of $8 \mathrm{~V}$. If the resistance of the diode is $4 \times 10^7 \Omega$, then the reverse saturation current is
PhysicsSemiconductorsAP EAMCETAP EAMCET 2023 (15 May Shift 1)
Options:
  • A $32 \mu \mathrm{A}$
  • B $2 \mu \mathrm{A}$
  • C $0.2 \mu \mathrm{A}$
  • D $0.5 \mu \mathrm{A}$
Solution:
2225 Upvotes Verified Answer
The correct answer is: $0.2 \mu \mathrm{A}$
Saturation current
$$
\begin{aligned}
& \mathrm{I}=\frac{\mathrm{v}(\text { reverse biased voltage })}{\text { diode resistance }} \\
& =\frac{8}{4 \times 10^7}=0.2 \mu \mathrm{A}
\end{aligned}
$$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.