If p equiv The switch S_1 is closed,q equiv T | vedclass

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Question

(A) The circuit consists of two main branches connected in parallel. $1$. The upper branch contains switch $S_1$ in series with a parallel combination

Vedclass · Accepted Answer

$p \wedge (q \vee r) \vee (
eg r \wedge 
eg q \wedge p)$

Vedclass · Answer

(A) The circuit consists of two main branches connected in parallel. $1$. The upper branch contains switch $S_1$ in series with a parallel combination of $S_2$ and $S_3$. The symbolic form for this branch is $p \wedge (q \vee r)$. $2$. The lower branch contains switches $S_3'$,$S_2'$,and $S_1$ in series. Since $S_3'$ is the complement of $S_3$ and $S_2'$ is the complement of $S_2$,the symbolic form for this branch is $(
eg r \wedge 
eg q \wedge p)$. $3$. Since the two branches are in parallel,the total symbolic form is the disjunction of the two branches: $p \wedge (q \vee r) \vee (
eg r \wedge 
eg q \wedge p)$.

If $p \equiv$ The switch $S_1$ is closed,$q \equiv$ The switch $S_2$ is closed,$r \equiv$ The switch $S_3$ is closed,then the symbolic form of the following switching circuit is equivalent to:

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