Question

A three terminal potentiometer with an unconnected terminal is a common rheostat used to vary this quantity. For 10 points each:
[10m] Name this quantity whose value for some components is indicated by four colored bands.
ANSWER: electrical resistance
[10e] Resistance equals voltage divided by current by a law named after this German physicist, who also gives his name to the SI unit of resistance.
ANSWER: Georg Ohm [accept Ohm’s law; accept ohms]
[10h] The strength of an unknown resistor is calculated using one of these circuits. Three resistors of known strength and the unknown resistor are placed in a diamond shape in these circuits.
ANSWER: Wheatstone bridges [prompt on Wheatstone; prompt on bridges; prompt on Wheatstone circuits]
<Physics>

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Summary

2024 ACF Fall at CornellfallY921.11100%89%22%
2024 ACF Fall at Ohio StatefallY818.75100%88%0%
2024 ACF Fall at WashingtonfallY616.67100%50%17%
2024 ACF Fall at GeorgiafallY1120.91100%73%36%
2024 ACF Fall at North CarolinafallY915.56100%56%0%
2024 ACF Fall at Claremont CollegesfallY524.00100%80%60%
2024 ACF Fall at RutgersfallY823.75100%100%38%

Data

Michigan C CWRU A (UG) 1010020
CWRU B (DII) CWRU C (UG)1010020
West Virginia A (UG) Miami C (DII) 1010020
Ohio State C (DII) Michigan B (UG)010010
Michigan A (UG) Michigan D (UG)1010020
Michigan State A Jefferson County Scholars (DII)1010020
Ohio State B (DII) Michigan State B 1010020
Miami A (UG) West Virginia B (UG) 1010020