Ohm's Law
Definition
The fundamental relationship between voltage (V), current (I), and resistance (R) in an electrical circuit: V = I × R. This law states that the current through a conductor is directly proportional to the voltage and inversely proportional to the resistance.
Practical Note
Ohm's Law is the foundation of all electrical calculations. Remember: to increase current, either increase voltage or decrease resistance. The law applies to DC circuits and resistive AC loads.
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