ts$)$ For the circuit shown: $($all values are $3$ sig figs$)($i$)(1\mathrm{.}0$ pts$)$ If the current is $4\mathrm{.}00$ A$,$ what is the equivalent resistance of the circuit$($ii$)(1\mathrm{.}0$ pts$)$ Find the value of the unknown resistor R$.($iii$)(3\mathrm{.}0$ pts$)$ For each resistor: find the voltage and current