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'Resistivity' is defined as the resistance of a unit length of a material of uniform cross section. In SI, its the resistance between opposite faces of a metre cube (not a cubic metre -they're different!) and is expressed in ohm metres.

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What is the meaning of the science word refine?

The meaning of the science word refine means your mom


How are substances classified on the basis of resistivity?

Substances are classified based on their resistivity as conductors, insulators, or semiconductors. Conductors have low resistivity and easily allow the flow of electric current. Insulators have high resistivity and inhibit the flow of electric current. Semiconductors have resistivity values between conductors and insulators, making them suitable for controlling the flow of current in electronic devices.


Which common factor affects both resistance and resistivity and how?

Temperature is a common factor that affects both resistance and resistivity. As temperature increases, the resistivity of conductive materials typically increases due to increased atomic vibrations, which impede the flow of electrons. Consequently, this rise in resistivity leads to an increase in resistance for a given material. Thus, both resistance and resistivity are influenced by temperature, impacting the efficiency of electrical conduction.


What is nax?

"Nax" does not have a common meaning in the English language or in specific contexts such as technology, science, or culture. It might be a typographical error or a term from a specific domain not widely recognized outside of it. Can you provide more context to clarify or expand on the meaning of "nax"?


Is resistivity of conductor independent of charge?

Yes, resistivity, which is a material property, is independent of the amount of charge. Resistivity is determined by the material itself, while the amount of charge only affects the flow of current through the conductor.

Related Questions

What is the resistivity of deionized water and how does it compare to the resistivity of other types of water?

The resistivity of deionized water is high, meaning it is a good insulator. It is higher than the resistivity of tap water or seawater, which have more dissolved ions and conduct electricity better.


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Why is copper used for electricial wiring?

Because copper has a very low electrical resistivity of 16.78 nΩ·m, meaning it's easier for electricity to pass through it. For comparison, nickel has a resistivity of 69.3 nΩ·m and iron's resistivity is 96.1 nΩ·m.


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When a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of both?

The resistivity of germanium will decrease with increasing temperature due to a positive temperature coefficient of resistivity, while the resistivity of silicon will increase with increasing temperature due to a negative temperature coefficient of resistivity. At room temperature, silicon will have a higher resistivity compared to germanium.


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