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 50 Ω and current is 1 amps.
| 50 V | |
| 51.5 V | |
| 55 V | |
| 45 V |