Given that Vs is $30$ V$,$Is is $1\mathrm{.}25$ A$,$ R$1$ is $25$ Ohm, R$2$ is $54$ Ohm.

$($A$)$

Find VTh at terminals $1,2.($Unit: V$)$

$$Tries $0/99$

$($B$)$

Find RTh at the terminals $1,2.($Unit: Ohm$)$

$$Tries $0/99$