Question

Alguém me ajudaaa por favor

Answer 1

a) Req= R1.R2/R1+R2

Req= 5.20/5+20

Req= 4 ohms

b) i1= U/R1

i1= 100/5

i1= 20 A

i2= U/R2

i2= 100/20

i2= 5 A

c) Itotal= U/Req

Itotal= 100/4

Itotal= 25 A