Discussion Forum



1)

The resistance of germanium junction diode whose V-I is shown in figure is$ (V_{k}=0.3V)$

1102021422_j3.PNG


A) 5$k\Omega$

B) 0.2$k\Omega$

C) 2.3$k\Omega$

D) $(\frac{10}{2.3})k\Omega$

Answer:

Option B

Explanation:

Resistance , $R=\frac{\triangle V}{\triangle I}=\frac{2.3-0.3}{10 \times 10^{-3}}$

 $R= \frac{2}{10} \times 10^{3}=0.2 \times 10^{3} \Omega=0.2 k \Omega$