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Resistivity

The resistivi...

Question

The resistivity of all pure metals increases with the rise in temperature.

A

True

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B

False

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Solution

The resistivity of all pure metals increases with the rise in temperature.

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Similar questions

Resistance of metals increases with increase in temperature.

Q. With the increase in temperature, the resistance of a pure metal ____.

Q. Resistance of conductor increases with rise in temperature because

Choose the correct alternative:

(a) Alloys of metals usually have (greater/less) resistivity than that of their constituent metals.

(b) Alloys usually have much (lower/higher) temperature coefficients of resistance than pure metals.

(c) The resistivity of the alloy manganin is nearly independent of/increases rapidly with increase of temperature.

(d) The resistivity of a typical insulator (e.g., amber) is greater than that of a metal by a factor of the order of (10²²/10³).

Q. Choose the correct alternative: (a) Alloys of metals usually have (greater/less) resistivity than thatof their constituent metals. (b) Alloys usually have much (lower/higher) temperaturecoefficients of resistance than pure metals. (c) The resistivity of the alloy manganin is nearly independent of/increases rapidly with increase of temperature. (d) The resistivity of a typical insulator (e.g., amber) is greater thanthat of a metal by a factor of the order of (1022/1023).

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