In given circuit, breakdown voltage of Zener diode is 3.0 mathrm{~V} . value of mathrm{I}z ?

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14.Semiconductor Electronics

hard

In the given circuit, the breakdown voltage of the Zener diode is $3.0 \mathrm{~V}$. What is the value of $\mathrm{I}_z$ ?

A

$3.3 \mathrm{~mA}$

B

$5.5 \mathrm{~mA}$

C

$10 \mathrm{~mA}$

D

$7 \mathrm{~mA}$

(JEE MAIN-2024)

Solution

$\mathrm{V}_z=3 \mathrm{~V}$

Let potential at $B=0 \mathrm{~V}$

Potential at $E\left(V_E\right)=10 \mathrm{~V}$

$ V_C=V_A=3 \mathrm{~V} $

$ I_z+I_1=I $

$ I=\frac{10-3}{1000}=\frac{7}{1000} \mathrm{~A} $

$ I_1=\frac{3}{2000} \mathrm{~A}$

Therefore $I_z=\frac{7-1.5}{1000}=5.5 \mathrm{~mA}$

Standard 12

Physics

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