Physics for IGCSE & O level - Electricity (Section 13 - No. 6)
If the current in a circuit is 2 amps and the voltage is 12 volts, what is the resistance?
6 ohms
12 ohms
14 ohms
24 ohms
説明
Using Ohm's Law (R = V/I), the resistance is 12 volts / 2 amps = 6 ohms.