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Resistivity is normally symbolized by the greek letter rho . Units are either ohm-meter (SI) or circular-mil ohms per foot (US). It describes the specific resistance of a sample of material that has particular length and cross-sectional area.

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In SI, resistivity is measured in ohm metres.

In North America, it is measured in ohm circular-mil per foot.

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11y ago

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The unit of resistivity is ohm-meter (Ω·m) in the International System of Units (SI). Resistivity is a measure of a material's resistance to the flow of electric current. It is used to characterize the electrical properties of a material.

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9mo ago
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The SI unit of measurement for resistivity is the ohm metre, although it is often expressed in terms of microhm metres.

Conductivity is the reciprocal of resistivity, and its SI unit of measurement is the siemens per metre.

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13y ago
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The SI unit for resistivity is the ohm metre.

In North America, resistivity is measured in ohm circular-mils per foot (which is often incorrectly written as 'ohms per circular-mil foot').

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10y ago
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Thermal conductivity: W/m.K

Electrical conductivity: S/m.

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13y ago
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Conductivity is the reciprocal of resistivity, and is measured in siemens per metre (S/m). (Resistivity is measured in ohm metres)

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12y ago
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The SI unit for conductance is the siemens (S). A siemens is the reciprocal of the ohm. A siemens also equals how many amperes divided by voltage.

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9y ago
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The SI unit of conductance is the Siemens and is abbreviated as S.

It is also known as the mho, but that use is not SI.

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12y ago
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ohm-1 cm2 mol-1

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12y ago
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Q: What are the unit of resistivity?
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A cylinder if material is 10 cm and has a cross section of 2 cm if its resistance along the length b 20 ohm what will be its resistivity in si unit?

The resistivity of the material can be calculated using the formula: resistivity = resistance x cross-sectional area / length. Plugging in the values: resistivity = 20 ohm x 2 cm / 10 cm = 4 ohm cm. Since resistivity is measured in ohm meters (SI unit), the resistivity of the material in SI unit would be 0.04 ohm meter.


What is resistivity and what factor does it depend?

Resistivity is a measure of a material's ability to resist the flow of electric current. It depends on factors such as the material's temperature, composition, and impurities. Materials with high resistivity impede the flow of electrons more than those with low resistivity.


If the diameter of wire is double what is resestivity?

The resistivity of a material does not depend on the diameter of the wire. Resistivity is an intrinsic property of the material and is constant regardless of the wire's diameter.


Can resistivity be negetive?

No, resistivity cannot be negative. Resistivity is a material property that indicates how strongly a material opposes the flow of electric current. It is always a positive quantity, even though some materials may have very low resistivity values.


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.