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How to Calculate Voltage, Current, and Resistance using Ohm's Law
Ohm's Law is a fundamental principle in electrical engineering that relates voltage, current, and resistance. Here's a step-by-step guide on how to calculate voltage, current, and resistance using Ohm's Law:
Step-by-Step Guide
1. Determine which quantity you want to calculate: voltage (V), current (I), or resistance (R).
2. Identify the known values for the other two quantities. For example, if you want to calculate voltage (V), you need to know the current (I) and resistance (R).
3. Use the Ohm's Law formula to calculate the unknown quantity:
Voltage (V) = Current (I) * Resistance (R)
Current (I) = Voltage (V) / Resistance (R)
Resistance (R) = Voltage (V) / Current (I)
4. Plug in the known values and calculate the result.
5. Make sure to use the correct units for voltage (Volts - V), current (Amperes - A), and resistance (Ohms - Ω).