A silver wire has a resistance of 2.1 Ω at 27.5^{\circ} C and a resistance of 2.7 Ω at 100^{\circ} C. Then the temperature coefficient of resistivity of silver will be \_\_\_\_ .

Correct Answer is : 3.9×10−3∘C−1

3.9 \times 10^3{ }^{\circ} C ^{-1}

3.9 \times 10^{-3}{ }^{\circ} C

3.9 \times 10^{-3}{ }^{\circ} C ^{-1}

GUJCET 2024 Physics Paper

Question : 37 of 40

Marks: +1, -0

A silver wire has a resistance of 2.1Ω at 27.5∘C and a resistance of 2.7Ω at 100∘C. Then the temperature coefficient of resistivity of silver will be ____ .

3.9×103‌∘C
3.9×103‌∘C−1
3.9×10−3‌∘C
3.9×10−3‌∘C−1

Validate

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