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Question
The resistance of some substances become zero at very low temperature. Such substances are called :
The resistance of some substances become zero at very low temperature. Such substances are called :
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Solution
The correct option is B Superconductors
A superconductor is basically any material that can allow the passage of electricity through it without any resistance at all. This state is usually achieved by reducing the temperature to a point where the resistance eventually becomes zero.
This happens because the thermal vibrations of the particles in the superconductor reduce drastically at very low temperatures, due to which electrons find it easier to move across the superconductors i.e. they have a clear path.
As a result, the conductivity of these substances increases drastically. This state is called superconductivity.
Superconductors
A superconductor is basically any material that can allow the passage of electricity through it without any resistance at all. This state is usually achieved by reducing the temperature to a point where the resistance eventually becomes zero.
This happens because the thermal vibrations of the particles in the superconductor reduce drastically at very low temperatures, due to which electrons find it easier to move across the superconductors i.e. they have a clear path.
As a result, the conductivity of these substances increases drastically. This state is called superconductivity.
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