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Several factors influence water resistivity. Some of the most important are 1) the concentration of ions in the water; 2) the mobility of the ions in the water (smaller ionic radius ions tend to decrease water resistivity more than larger ionic radius ions); 3) the oxidation state of the ions; and 4) the temperature of the water.
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What is thermal resistivity of soils?
Thermal resistivity of soils is a measure of how well a soil can conduct heat. It is the reciprocal of thermal conductivity and is used to quantify the ability of a soil to resist the flow of heat through it. Thermal resistivity is an important parameter in geotechnical and geothermal engineering applications.
Why resistivity method is suitable for ground water exploration?
The resistivity method is suitable for groundwater exploration because it can detect subsurface variations in electrical conductivity caused by changes in the presence or absence of water-bearing materials. By measuring the resistance of the earth to an electrical current, this method can help locate potential groundwater sources based on the degree of saturation in the subsurface formations. Additionally, resistivity surveys can cover large areas efficiently and provide valuable information about the depth and thickness of the groundwater reserves.
What is the resistivity of sand sandstone and shale?
The resistivity of sand can vary widely, but generally ranges from 1,000 to 10,000 ohm-meters. Sandstone typically has a resistivity of around 1 to 100 ohm-meters. Shale generally has a resistivity of 0.1 to 10 ohm-meters.
Describe how the resistance of a material is determined?
The resistance of a material is determined by its resistivity, which is a fundamental property of the material. Resistivity is a measure of how strongly a material resists the flow of electric current. It depends on the material's composition and its physical dimensions. The resistance of a material can be calculated using the formula: resistance = resistivity x (length / cross-sectional area).
What is electrical resistivity of molybdenum?
The electrical resistivity of molybdenum is approximately 5.50 x 10^-8 ohm-meters at room temperature. It is considered a good conductor of electricity due to its relatively low resistivity compared to insulating materials.
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.
How can the resistivity of water be measured?
The resistivity of water can be measured by using a device called a conductivity meter, which measures the electrical conductivity of the water. The higher the electrical conductivity, the lower the resistivity of the water.
What is the resistivity of deionized water?
The resistivity of deionized water is typically around 18.2 megaohm-cm.
What is resistivity on what factor is depends?
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 composition, temperature, and dimensions. Materials with high resistivity impede the flow of current more than those with low resistivity.
Why does the electrical resistivity of a conductor does not depend on its dimensions?
resistivity and resistance are two diff. things...........resistance depends on length and thickness resisitivity too depends on the area and length resistivity=resistance*area/length
How can one accurately measure water resistivity?
One can accurately measure water resistivity by using a device called a conductivity meter. This device measures the ability of water to conduct electricity, which is directly related to its resistivity. By measuring the electrical conductivity of water, one can determine its resistivity accurately.
Is resistivity depends upon dimension of conductor?
Yes, resistivity is dependent on the material of the conductor, not its dimensions. Resistivity is an intrinsic property of a material that influences its ability to resist the flow of electrical current.
What are the methods used for water resistivity measurement?
The methods used for water resistivity measurement include the four-electrode method, the Wenner method, and the Schlumberger method. These methods involve passing an electrical current through the water and measuring the resistance to determine the resistivity of the water.
The resistance of a wire depends on the?
The length, cross-sectional area, and resistivity. As resistivity changes with temperature, temperature indirectly affects resistance.
What is resistivity and what factor does it depend?
Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) quantifies how strongly a given material opposes the flow of electric current. A low resistivity indicates a material that readily allows the movement of electric charge. Resistivity is commonly represented by the Greek letter ρ (rho). The SI unit of electrical resistivity is theohm⋅metre (Ω⋅m)It defined as resistance offerde by a unit length and cross section area conductor.It depends on material used.it depends on relexation time and temperature.
What is the significance of di water resistivity in determining the quality of water for industrial applications?
The resistivity of deionized water (DI water) is important in industrial applications because it indicates the level of impurities present in the water. Higher resistivity values suggest lower impurity levels, making DI water more suitable for use in sensitive industrial processes where water quality is crucial. Monitoring resistivity helps ensure that the water meets the required standards for optimal performance and efficiency in industrial operations.
Is resistivity of a material depends upon the dimensions of a material?
Resistivity is an intrinsic property of a material and is not affected by the dimensions of the material. Resistivity is determined by the material's composition and structure. The resistivity of a material remains constant as long as the material is uniform.
