Resistivity is a characteristic property of the material. Electrical resistivity is the reciprocal of electrical conductivity. Resistivity definition [Image will be Uploaded Soon] The formula for the resistivity is given by, R = ρ L/A…(a) If L =1, A =1, then R = ρ Thus, electrical resistivity of a material of a conductor is defined as the resistance offered by unit length and unit cross-sectional area of a wire of the given material. Meaning of resistivity. Resistance and resistivity both terms are related to the opposition experienced by a flowing current but it is an intrinsic property of the materials. The symbol for resistivity is the lowercase Greek letter rho, , and resistivity is the reciprocal of electrical conductivity: The unit of resistivity in SI units is the ohm-meter . Electrical Resistivity Definition: Electrical resistivity is the measure of how much a material resists carrying an electrical current. It depends upon Nature of material Physical conditions, like temperature On the basis of resistivity of material, different materials can be categorized into Conductors - Those materials which have very low resistivity and allow the current to pass through them easily. Resistivity refers to the electrical resistance of a conductor of a particular unit cross-sectional area and unit length. This article discusses the resistivity formula and its derivation. A Resistivity Log is a detailed record of the resisting power of a formation rock to the flow of an electric current. Electrical resistivity (also known as resistivity, specific electrical resistance, or volumeresistivity) is an intrinsic property that quantifies how strongly a given material opposes the flow of electric current. $\rho = \dfrac{E}{J}.$ The greater the resistivity, the larger the field needed to produce a given current density. The resistivity represents the resistance of the material which has specific dimensions, i.e., the material has 1-meter length and 1 square meter area of cross section. Electrical resistivity is denoted by the symbol ρ and has SI units of ohm meter (Ωm). We can define the resistivity in terms of the electrical field and the current density. Whether or not a material obeys Ohm's law, its resistance can be described in terms of its bulk resistivity. Definition of Thermal Resistance. Definition of Resistivity. It is definitely a characteristic property of each material. Eg- copper. We can define the resistivity in terms of the electrical field and the current density, It is the measure of the ability of a material to oppose the flow of current. What does resistivity mean? The insulators like rubber, glass, graphite, plastics, etc. Definition of resistivity in the Definitions.net dictionary. 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