Question

Dada a associação de resistores, determine:

(As perguntas estão na folha!)

Obrigada!!!

Answer 1

a)R=10.30/(10+30)
R=300/40
R=7,5 ohm

Req=(7,5.15)/(7,5+15)
Req=112,5/22,5
Req= 5 Ohm

b)i1=60/10
i1=6 A

i2=60/30
i2=2 A

i3=60/15
i3=4 A

c) i(total)=60/5
i(total)=12 A

ou

i(total)=i1+i2+i3
i(total)=6+2+4
i(total)=12 A