Answer:
.92 A = Is
Explanation:
Is = [tex]\frac{Vp *Ip }{Vs}[/tex]
We're solving for Is, so plug in all the other given numbers.
Vp = 230 V
Ip = .020 A
Vs = 5.0 V
Is = [tex]\frac{230 * .020}{5.0}[/tex]
= .92 A