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Solids which conduct electricity at higher temperature but not at lower temperature are called
- a)super-conductor
- b)metallic-conductor
- c)semi-conductor
- d)Insulator
Correct answer is option 'C'. Can you explain this answer?
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Solids which conduct electricity at higher temperature but not at low...
Semiconductors are insulators at low temperatures and reasonably good conductors at higher temperatures. As temperature increases, the Semiconductor material becomes a better and better conductor.
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Solids which conduct electricity at higher temperature but not at low...
Explanation:
Semi-conductor:
- Semi-conductors are materials that conduct electricity better at higher temperatures but not at lower temperatures.
- At higher temperatures, the electrons in the semi-conductor material gain more energy and are able to move more freely, allowing for better conductivity.
- However, at lower temperatures, the movement of electrons is restricted, leading to lower conductivity.
Super-conductor, Metallic-conductor, and Insulator:
- Super-conductors are materials that have zero electrical resistance at very low temperatures.
- Metallic-conductors are materials that conduct electricity well at room temperature.
- Insulators are materials that do not conduct electricity well under any temperature conditions.
Therefore, the correct answer is semi-conductor as it specifically describes the behavior of materials that conduct electricity at higher temperatures but not at lower temperatures.
Semi-conductor:
- Semi-conductors are materials that conduct electricity better at higher temperatures but not at lower temperatures.
- At higher temperatures, the electrons in the semi-conductor material gain more energy and are able to move more freely, allowing for better conductivity.
- However, at lower temperatures, the movement of electrons is restricted, leading to lower conductivity.
Super-conductor, Metallic-conductor, and Insulator:
- Super-conductors are materials that have zero electrical resistance at very low temperatures.
- Metallic-conductors are materials that conduct electricity well at room temperature.
- Insulators are materials that do not conduct electricity well under any temperature conditions.
Therefore, the correct answer is semi-conductor as it specifically describes the behavior of materials that conduct electricity at higher temperatures but not at lower temperatures.
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Solids which conduct electricity at higher temperature but not at lower temperature are calleda)super-conductorb)metallic-conductorc)semi-conductord)InsulatorCorrect answer is option 'C'. Can you explain this answer?
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