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 40 Ω.
| -1 A | |
| 2.7 A | |
| 6 A | |
| 3 A |