Ohm's Law Equation Notes

B) Resistance (ohms) Symbol - Ω

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St. Mary's Physics

Ohm's Law

1) R = V/I (at constant T)

V - Potential difference (voltage) between ends of conductor (volts)

I - current (amperes)

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Georg Ohm - (1789 - 1854) - German High School Physics Teacher!

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Cross Multiply: V = IR

V directly related to I

Since ....

R = V/I

Slope of V, I plot = ???

Slope = V/I = R

Slope = Resistance

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Plot of R and V?

R = V/I

Resistance
In a Wire

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