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1. How Voltage, Current and Resistance Relate

2. An Analogy for OHM's Law

3. Power in Electric Circuits

4. Calculating Electric Power

5. Resistors

6. Nonlinear Conduction

7. Circuit Wiring

8. Polarity of Voltage Drops

9. Computer Simulation of Electric Circuits


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OHM's Law
 

Ohm's Law states "At constant temperature, the ratio of the potential difference across a resistor to the current flowing in the resistor is a constant."

This, simply stated, means that you can find the value of a resistor by dividing the potential difference (voltage) across the resistor by the current flowing through the resistor. R=V/I or V=IR

 

 

 

 

 

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