Ohm's law specifies the relationship between voltage (V), current (I), and resistance (R) in an electrical circuit: V = IR.
Use Ohm's Law to calculate the value of current in this circuit if voltage is 120 volts and resistance is 30 Ω.
| 4 A | |
| -2 A | |
| 3.6 A | |
| 8 A |