$1\mathrm{.}1($a$)1\mathrm{.}1($b$)1\mathrm{.}1($c$)1\mathrm{.}1($d$)$Number of nodes in Figure $4($a$)=$Number of nodes in Figure $4($b$)=$Number of nodes in Figure $5=$Number of power rails in Figure $5=$Number of nodes in Figure $6=$Number of power rails in Figure $6$Node a connects to theNode b connects to theTable $1$battery terminalbattery terminal