Physics for IGCSE & O level - Electricity (Section 11 - No. 39)
If a 12V battery is connected to a 6-ohm resistor, what is the current flowing through the resistor?
2 Amps
6 Amps
0.5 Amps
72 Amps
Giải thích
Use Ohm's Law (I = V/R): 12V / 6 ohms = 2 Amps