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Standard XII

Physics

Logic Gates

Logic gate re...

Question

Logic gate realised from pn junctions shown in the figure is:

OR gate

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AND gate

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NOT gate

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NOR gate

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Solution

The correct option is A OR gate
When either A or B signal is high, the output will be high.
So, it is equivalent to OR gate.
$\begin{matrix} A & B & O u t p u t 1 & 0 & 1 0 & 1 & 1 1 & 1 & 1 0 & 0 & 0 \end{matrix}$

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Logic gate realised from pn junctions shown in the figure is:

The correct option is A OR gateWhen either A or B signal is high, the output will be high. So, it is equivalent to OR gate. ABOutput101011111000

The correct option is A OR gate
When either A or B signal is high, the output will be high.
So, it is equivalent to OR gate.
$\begin{matrix} A & B & O u t p u t 1 & 0 & 1 0 & 1 & 1 1 & 1 & 1 0 & 0 & 0 \end{matrix}$