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Ohm's Law & Power Calculator
How to Apply
Ohm's Law in Electrical Circuits
Understanding the relationship between current, voltage, and resistance is pivotal for electrical calculations. Ohm's Law provides three core formulas to make these calculations easier:
Voltage (V) = Current (I) × Resistance (R)
Current (I) = Voltage (V) / Resistance (R)
Resistance (R) = Voltage (V) / Current (I)
To apply Ohm's Law in an electrical circuit, follow these steps:
- Identify Known Variables: Determine which variables you know: Voltage (V), Current (I), or Resistance (R).
- Choose the Appropriate Formula: Use one of the three formulas based on what you need to find out.
- Perform the Calculation: Plug the known values into the formula to find the unknown variable.
Note: Ohm's Law is generally applicable for resistive circuits. For circuits with inductors and capacitors, additional laws and formulas may apply.
