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 30 Ω and current is 2.5 amps.
| 68 V | |
| 78 V | |
| 75 V | |
| 67.5 V |