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 resistance in this circuit if voltage is 90 volts and current is 4.5 amps.
| 15 Ω | |
| 60 Ω | |
| 20 Ω | |
| 22 Ω |