Which of these, all of the same length, has the greater electrical resistance?

A) a copper rod
B) an iron rod
C) a rubber rod
D) all about the same
E) none of the above


Answer: C

Physics & Space Science

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A. 0 V B. 3.0 V C. 9.0 V D. 12 V

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A diatomic molecule has 2.6 × 10-5 eV of rotational energy in the l = 2 quantum state. What is its rotational energy in the l = 1 quantum state?

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The electric potential at the surface of a charged conductor

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