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Neporo4naja [7]
3 years ago
15

Which statement best describes the movement of atoms in a solid?

Physics
1 answer:
Lina20 [59]3 years ago
6 0

Answer:

They have no freedom to move

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A wire has a length of 0.50 m and measures about 0.50 mm in its cross-sectional radius. At normal temperature, what is its resis
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Explanation:

For resistance , the expression is as follows .

R = ρ L / S where ρ is specific resistance , L is length of wire and S is cross sectional area .

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Putting the values

R = 2.82 x 10⁻⁸ x .50 / .785 x 10⁻⁶

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What is the voltage across an 8.00 nm–thick membrane if the electric field strength across it is 5.50 MV/m?
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V=Ed\\\Rightarrow V=5.5\times 10^6\times 8\times 10^{-9}\\\Rightarrow V=0.044\ V

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When an object is electrically polarized
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One side is more positive, the other is more negative

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