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 220 volts and resistance is 40 Ω.
| 5.5 A | |
| 2.75 A | |
| 1.83 A | |
| -0.5 A |