Ohm's law stated that the amount of current flowing through a resistor varies directly as the amount of potential difference applied across the resistor as long as other variables stays the same.
A simple diagram about Ohm's law:
Kirchhoff's laws, however, are about the electric circuits. the Kirchhoff's current law stated the total current into a junction point of a circuit equals to the total current that flows out the same point.
In the mean time, the Kirchhoff's voltage law stated that the total of all electrical potential decreases in any complete circuits loop is equal to any potential increases in that circuit loop.
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