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A length L0 of wire has a resistance of 32.0 . The wire is uniformly stretched (i.e., the total ...

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A length L0 of wire has a resistance of 32.0 . The wire is uniformly stretched (i.e., the total ...

A length L₀ of wire has a resistance of 32.0 Ω. The wire is uniformly stretched (i.e., the total volume of the wire is unchanged during the stretching) to four times its original length, or 4 L₀. If a length L₀ is now cut from the stretched wire, what is its resistance?

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512 Ω

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128 Ω

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32.0 Ω

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8.00 Ω

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2.00 Ω

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College Physics

Edition: 5^th

Author: Giambattista

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