A current sheet, K $=2\mathrm{.}4$a$\_\{$z$\}*$A $/$ m is present at the surface rho $=1\mathrm{.}2$ in free space. $($a$)$ Find H for rho $>1\mathrm{.}2$ Find Vm at P$($ rho $=1\mathrm{.}5$ phi $=0\mathrm{.}6$pi z $=1)$ if: $($b$)$ V$\_\{$m$\}=0$ at phi $=0$ and there is a barrier at $4=$ ; $($c$)$ V$\_\{$m$\}=0$ at phi $=0$ and there is a barrier at phi $=$ pi $/2($d$)$ V$\_\{$m$\}=0$ at $=$ and there is a barrier at phi $=0($e$)$ V$\_\{$m$\}=5$V at $ $=$ and there is a barrier at phi $=0\mathrm{.}8$pi