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Question

Match the resistances that an ideal conductor offers at different temperatures.

A
Zero resistance
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B
Low resistance
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C
High resistance
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Solution

At absolute zero temperature i.e., at 0 kelvin or 273.15oC any conductor offers zero resistance to the current passing through them.
At room temperature, all the conductors have low resistance.
At high temperatures, conductivity of conductors decreases or the resistance of the conductors increases.

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