Problem $1$: For row $($e$)$ in the table below, find the followings:

$1-$ Physical parameters $($known parameters$)$:

$2-$ Varying parameters $($Unknown parameters$)$:

$3-$ Vector loop:

$4-$ Real Equation:

$5-$ Imaginary equation:

Find the unknowns

Link$1$ : $8$

Link$2$: $4$

Link$4$: $2$