Question 244: Semiconductors and Logic Gates

Question

The circuit shown below is working as a 8 V
dc regulated voltage source. When 12 V is used
as input, the power dissipated (in mW) in each
diode is; (considering both zener diodes are
identical) _________.
![](https://imagex.cdn.examgoal.net/7k9k2k5ldvz3q/e99a92f1-9913-42e0-855a-6ef0893dc2f1/aeba8160-3aed-11ea-92dd-4b9c3519996f/file-7k9k2k5ldvz3r-313w.jpg)

Accepted Answer

Current in circuit = ${{12 - 8} \over {200 + 200}}$ = 10
-2
A
So power dissipited in each diode = VI
= 4 $ 	imes $ 10
-2
= 40 mW

Semiconductors and Logic Gates

The circuit shown below is working as a 8 V dc regulated voltage source. When 12 V is used as input, the power dissipated (in mW) in each diode is; (considering both zener diodes are identical) _________.

Integer / Numeric Answer Type