The resistivity vs- Temperature variation of a certain material is shown below- At 2- C- this material will act as-A- TransistorB- Normal conductorC- SuperconductorD- Semiconductor

The correct option is C Superconductor0^∘C=273K approximately. Implies, 2^∘C=275K But as seen from the graph, resistivity for this material takes a naught valu ...

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Standard X

Physics

Factors Affecting Resistance & How They Affect

The resistivi...

Question

The resistivity vs. Temperature variation of a certain material is shown below. At $2^{\circ} C$ , this material will act as?

Normal conductor

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Superconductor

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Transistor

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Semiconductor

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Solution

The correct option is B Superconductor
$0^{\circ} C = 273 K$ approximately.
Implies, $2^{\circ} C = 275 K$
But as seen from the graph, resistivity for this material takes a naught value below 283K. Hence there will be no resistance offered by this material at $2^{\circ} C$ , thus acting as a superconductor.

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The resistivity vs. Temperature variation of a certain material is shown below. At 2∘C, this material will act as?

The correct option is B Superconductor0∘C=273K approximately. Implies, 2∘C=275K But as seen from the graph, resistivity for this material takes a naught value below 283K. Hence there will be no resistance offered by this material at 2∘C, thus acting as a superconductor.

The resistivity vs. Temperature variation of a certain material is shown below. At $2^{\circ} C$ , this material will act as?