Given that Vs is $26$ V$,$ R$1$ is $11$ Ohm, R$2$ is $36$ Ohm.

$($A$)$

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

$$Tries $0/99$

$($B$)$

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