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Question

Consider two $$npn$$ transistors as shown in figure. If $$0$$ volts corresponds to false and $$5$$ volts correspond to true then the output at $$C$$ correspond to true then the output at $$C$$ corresponds to:
1013083_fe52e374e97a4de59f3d09a070560b26.png


A
A NAND B
loader
B
A OR B
loader
C
A and B
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D
A NOR B
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Solution

The correct option is A $$A\ NAND\ B$$
There are two individual NOT gates and when they combine they form a NAND gate.

Physics

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