EJERCICIOS LEY DE OHM

Hallar resistencia

1. I= 0.75A R=V/I R=18.4/0.75 = 24.53 Ohm.

V=18.4V

2. I= 0.084A R=V/I R=120/0.084 = 1428.5 Ohm.

V=120V

3. I= 4.78A R=V/I R=50/4.78 = 10.46 Ohm

V=50V

4. I= 0.0084A R=V/I R=18.4/0.0084 = 2190.4 Ohm

V=18.4V

Hallar voltaje

1. R=100 Ohm V=I*R V=100*0.75 = 75V

I=0.75A

2. R=1450 Ohm V=I*R V=1450*0.084 = 121.8V

I=0.084A

3. R=26.7 Ohm V=I*R V=26.7*4.78 = 127.6V

I=4.78A

4. R=1000 Ohm V=I*R V=1000*0.0084 = 8.4V

I=0.0084A

Hallar intensidad

1. V=18.4V I=V/R I=18.4/1200 = 0.015A

R=1200 Ohm

2. V=75.4V I=V/R I=75.4/400 = 0.18A

R=400 Ohm

3. V=1120V I=V/R I=1120/150 = 0.8A

R=150 Ohm

4. V=400V I=V/R I=400/875 = 0.45A

R=875 Ohm