SSC Exam > SSC Questions > Pure metals generally have_____.a)high condu...
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Pure metals generally have_____.
- a)high conductivity and temperature coefficient
- b)high conductivity and large temperature coefficient
- c)low conductivity and high temperature coefficient
- d)low conductivity and high temperature coefficient
Correct answer is option 'B'. Can you explain this answer?
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Pure metals generally have_____.a)high conductivity and temperature c...
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Pure metals generally have_____.a)high conductivity and temperature c...
Explanation:
Pure metals are those metals which do not contain any impurities. These metals have some unique properties which make them useful for different applications. One of the most important properties of pure metals is their electrical conductivity.
High Conductivity:
Pure metals have high electrical conductivity due to the presence of free electrons in their structure. These electrons can move easily through the metal and conduct electricity. This property makes pure metals useful for electrical wiring, electronic devices, and other applications where high electrical conductivity is required.
Large Temperature Coefficient:
Pure metals also have a large temperature coefficient of resistance. This means that their resistance increases with an increase in temperature. This property is due to the fact that as the temperature increases, the atoms in the metal vibrate more vigorously, which makes it harder for the free electrons to move through the metal. This property makes pure metals useful for temperature sensors, thermocouples, and other applications where changes in temperature need to be measured accurately.
Low Conductivity:
It is important to note that not all pure metals have high conductivity. Some pure metals, such as bismuth and lead, have low conductivity due to their electronic structure. These metals have filled valence bands, which makes it difficult for the free electrons to move through the metal.
Conclusion:
In summary, pure metals generally have high conductivity and a large temperature coefficient of resistance. These properties make them useful for a wide range of applications in electrical, electronic, and temperature sensing industries.
Pure metals are those metals which do not contain any impurities. These metals have some unique properties which make them useful for different applications. One of the most important properties of pure metals is their electrical conductivity.
High Conductivity:
Pure metals have high electrical conductivity due to the presence of free electrons in their structure. These electrons can move easily through the metal and conduct electricity. This property makes pure metals useful for electrical wiring, electronic devices, and other applications where high electrical conductivity is required.
Large Temperature Coefficient:
Pure metals also have a large temperature coefficient of resistance. This means that their resistance increases with an increase in temperature. This property is due to the fact that as the temperature increases, the atoms in the metal vibrate more vigorously, which makes it harder for the free electrons to move through the metal. This property makes pure metals useful for temperature sensors, thermocouples, and other applications where changes in temperature need to be measured accurately.
Low Conductivity:
It is important to note that not all pure metals have high conductivity. Some pure metals, such as bismuth and lead, have low conductivity due to their electronic structure. These metals have filled valence bands, which makes it difficult for the free electrons to move through the metal.
Conclusion:
In summary, pure metals generally have high conductivity and a large temperature coefficient of resistance. These properties make them useful for a wide range of applications in electrical, electronic, and temperature sensing industries.
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Pure metals generally have_____.a)high conductivity and temperature coefficientb)high conductivity and large temperature coefficientc)low conductivity and high temperature coefficientd)low conductivity and high temperature coefficientCorrect answer is option 'B'. Can you explain this answer?
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