Students have a block of unknown material and plan to determine the resistivity of the material. The students create a circuit by placing the block in series with a voltage source. The students use a voltmeter, ammeter, and meterstick to gather the data listed in the table above. What other measurement must the students make to determine the resistivity of the material, and why?
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Students have a block of unknown material and plan to determine the resistivity of the material. The...
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