1. – Rtotal
R=V/I

R=10.7/0.53

R=20.1

– Itotal

I=10.7/20.1
I=0.53

2. – Rtotal
R=V/I
R=10.7/0.60
R=17.8

– Itotal
I=V/R
I=10.7/17.8
I=0.60

3. – Rtotal
R=V/I
R=14/0.59
R=23.7

– Itotal
I=V/R

I=14/23.7
I=0.59