Which of the following statements is(are) correctA. In semi conductor , electrical resistivity decreases with a rise in temperatureB. In metallic conductor , electrical resistivity increases with a rise in temperatureC. In super conductor , electrical resistivity decreases gradually with the lowering temperatureD. A unit cell of an ionic crystal shares some of its ions with other unit cells.

Which of the following statements is(are) correctA. In semi conductor

1.	Which of the following statements is(are) correctA. In semi conductor , electrical resistivity decreases with a rise in temperatureB. In metallic conductor , electrical resistivity increases with a rise in temperatureC. In super conductor , electrical resistivity decreases gradually with the lowering temperatureD. A unit cell of an ionic crystal shares some of its ions with other unit cells.
Answer» Correct Answer - A::B::C::D

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