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5 Cards in this Set
- Front
- Back
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The resistance of a conductor does not depend on its
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mass
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A certain wire has a resistance R. The resistance of another wire, identical with the first except for having twice its diameter, is
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1/4 R
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WHich of the following combinations of length and crosssectional area will give a certain volume of copper the least resistance?
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1/2L and 2A
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The temperature of a copper wire is raised. Its resistance
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increases
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Of the following combinations of units, the one that is not equal to the watt is the
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Ohms^2/V
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