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 voltage in this circuit if resistance is 40 Ω and current is 2 amps.
| 80 V | |
| 72 V | |
| 83 V | |
| 81.5 V |