Question 54: Semiconductors and Logic Gates

Question

A Zener diode of breakdown voltage $10 \mathrm{~V}$ is used as a voltage regulator as shown in the figure. The current through the Zener diode is :
![](https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lshgb5of/570dcf28-8b8a-437f-8f8b-8bcac6cb4adf/c7f5f0f0-c8d4-11ee-adc8-974b9031006b/file-6y3zli1lshgb5og.png?format=png)

Accepted Answer

Zener is in breakdown region.
$\begin{aligned}
& I_3=\frac{10}{500}=\frac{1}{50} \\
& I_1=\frac{10}{200}=\frac{1}{20} \\
& I_2=I_1-I_3 \\
& I_2=\left(\frac{1}{20}-\frac{1}{50}ight)=\left(\frac{3}{100}ight)=30 \mathrm{~mA}
\end{aligned}$
![](https://app-content.cdn.examgoal.net/fly/@width/image/6y3zli1lsqm8ndf/1dbfaeed-43ad-4771-8e24-ce5fe7ea4306/06d24a30-cddf-11ee-a0d3-7b75c4537559/file-6y3zli1lsqm8ndg.png?format=png)

Answer

0

Answer

30 mA

Answer

20 mA

Answer

50 mA

Semiconductors and Logic Gates

A Zener diode of breakdown voltage 10 \mathrm{~V} is used as a voltage regulator as shown in the figure. The current through the Zener diode is :

Choose the correct answer: