The resistance of a rod with a length of 3.0 m and a diameter of 1.0 cm is 56.0 Ω. If this rod is stretched to form a wire with a diameter of 0.01 cm, what is its resistance? Assume that in the process of stretching the rod, its volume did not change.
The resistance of a rod with a length of 3.0 m and a diameter of 1.0 cm is 56.0 Ω. If this rod is stretched to form a wire with a diameter of 0.01 cm, what is its resistance? Assume that in the process of stretching the rod, its volume did not change.
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 70AP: A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the...
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The resistance of a rod with a length of 3.0 m and a diameter of 1.0 cm is 56.0 Ω. If this rod is stretched to form a wire with a diameter of 0.01 cm, what is its resistance? Assume that in the process of stretching the rod, its volume did not change.
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