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 40 volts and resistance is 40 Ω.
| 2.5 A | |
| 1 A | |
| 1.5 A | |
| 0.5 A |