In a switching circuit, if the combination (S | vedclass

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(C) Let $1$ represent the $ON$ state and $0$ represent the $OFF$ state.Let $S_1$ and $S_2$ be the states of the switches.$S'_1$ and $S'_2$ are the com

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$S_1$ and $S_2$ both $ON$ or $S_1$ and $S_2$ both $OFF$

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(C) Let $1$ represent the $ON$ state and $0$ represent the $OFF$ state.Let $S_1$ and $S_2$ be the states of the switches.$S'_1$ and $S'_2$ are the complements of $S_1$ and $S_2$ respectively.The circuit is represented by the Boolean expression: $L = (S_1 \land S_2) \lor (S'_1 \land S'_2)$.This expression is equivalent to the $XNOR$ gate operation, which outputs $1$ (lit) only when both inputs are the same.Therefore, the room is lit when $S_1 = S_2$, which means both are $ON$ or both are $OFF$.

In a switching circuit, if the combination $(S_1 \land S_2)$ is connected in parallel to the combination $(S'_1 \land S'_2)$, then the room is lit only when ...

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