What resistor should be connected to the 12 Volt battery with a current flow of 4 Amp?

48 Ohm

4 Ohm

3 Ohm

12 Ohm

According to Ohm's law, the resistance (R) of an object is defined as the ratio of voltage across it (V) to current through it (I) : R = V/I. R = 12/4 = 3.

Ninjai

Lauri Rantala wikipedia → Ohm's law

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