The resistance of the series combination of two resistances is $S$. When they are joined in parallel the total resistance is $P$. If $S = n P$, then the minimum possible value of $n$ is (1) 4 (2) 3 (3) 2 (4) 1
The resistance of the series combination of two resistances is $S$. When they are joined in parallel the total resistance is $P$. If $S = n P$, then the minimum possible value of $n$ is\\
(1) 4\\
(2) 3\\
(3) 2\\
(4) 1