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15 cards from this deck
How hard it is for electricity to flow
Ohms (Ω\OmegaΩ)
Rheostat
Current directly proportional to potential difference
V=I×RV = I \times RV=I×R
Potential difference (voltage) in volts
Current in amps
Resistance in ohms
I=VRI = \frac{V}{R}I=RV
R=VIR = \frac{V}{I}R=IV
Follow Ohm's law, constant resistance at constant temp
Don't follow Ohm's law, resistance changes
Metal wires at constant temp, fixed resistors
Straight line through origin
Lower resistance
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