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15 cards from this deck
R=VIR = \frac{V}{I}R=IV
Resistance (Ω)
Potential difference (V)
Current (A)
Directly proportional
Systematic error; reading when value should be zero
Subtract the zero error from all readings
Resistance increases
Keep current low, reducing heating in wire
Relationship between current and voltage across component
Straight line (linear); obeys Ohm's law
Curve; only allows current in one direction
Curve; resistance increases as temperature rises
Straight-line graph
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