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Q. A circuit is arranged as shown in figure. The output voltage $V _{0}$ is equal to $\ldots \ldots . V$
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JEE MainJEE Main 2021Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

As diodes $D_{1}$ and $D_{2}$ are in forward bias, so they acted as neligible resistances
$\Rightarrow $ Input voltage become zero
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$\Rightarrow $ Input current is zero
$\Rightarrow $ Output current is zero
$\Rightarrow V _{0}=5$ volt