Item 3
Which statement describes the electrical conductivity of metals and semiconductors? Choose the correct answer.
Metals are poor conductors at low temperatures.
The conductivity of metals changes with changing pressure.
The conductivity of semiconductors changes with changing pressure.
Semiconductors are poor conductors at low temperatures, but their resistance decreases with increasing temperature.
Answers: 1
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Item 3
Which statement describes the electrical conductivity of metals and semiconductors? Choose t...
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