## What is resistivity of a material class 10?

Resistivity is defined as the electrical resistance of a conductor of unit cross-sectional area and unit length. The resistance of any conductor is directly proportional to the length of the conductor and inversely proportional to the area of cross-section of the conductor. SI unit of resistivity is ohm-meters.

## What is resistivity of a material class 12?

Resistivity is also known as specific resistance. It is the resistance of the specific material; also it is specific to a material. R=ρ, If A and L =1 in Equation R= ρ (L/A). Resistivity is defined as resistance of unit length and unit area of a conductor.

## What determines the resistivity of a material?

Resistivity is a property that describes the extent to which a material opposes the flow of electric current through it. It is a property of the material itself (not the size or shape of the sample), usually depends on temperature and may depend on other quantities such as pressure.

## What is resistivity with example?

We have also learnt that the resistivity (symbol: ρ) of the conductor (or material) relates to the physical property from which it is made and varies from material to material. For example, the resistivity of copper is generally given as: 1.72 x 10-8 Ωm.

## What is resistivity of a material?

resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length. A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents. High resistivity designates poor conductors.

## What is resistivity Class 10 BYJU’s?

The electrical resistivity of a material is the measure of how strongly the material opposes the flow of current. The SI unit of electrical resistivity is the ohm⋅metre(Ω⋅m). It is commonly represented by the Greek letter ρ, rho.

## What is resistivity Class 10 and SI unit?

Resistivity can be defined as the resistance of a conducting material per unit length with unit area of cross section. So it SI unit will be. ρ= RA / l.

## What is resistivity of a material give its SI unit?

Resistivity can be defined as the resistance of a conducting material per unit length with unit area of cross section. So it SI unit will be. ρ= RA / l.

## What is resistivity of a metal?

Resistivity is the resistance per unit length and cross-sectional area. It is the property of the material that opposes the flow of charge or the flow of electric current. The unit of resistivity is ohm meter. We know that R = ρ L / A.

## What does resistivity of a substance depend on?

The resistivity of a material depends on its nature and the temperature of the conductor, but not on its shape and size. The SI unit of electrical resistivity is the ohm-meter. Hence resistivity is dependent on the temperature.

## What determines the resistivity of a conductor?

The resistance of a conductor depends on the cross sectional area of the conductor, the length of the conductor, and its resistivity. It is important to note that electrical conductivity and resistivity are inversely proportional, meaning that the more conductive something is the less resistive it is.

## What are the 4 factors affecting the resistivity of a conductor?

There are four factors affecting resistance which are Temperature, Length of wire, Area of the cross-section of the wire, and nature of the material.

## What is resistivity explain with example?

resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length. A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents. High resistivity designates poor conductors.

## What is resistivity called?

Electrical resistivity (also called specific electrical resistance or volume resistivity) is a fundamental property of a material that measures how strongly it resists electric current.

## What is the resistivity of conductor?

The resistivity of a conductor is defined as the resistance offered by the material per unit length for unit cross-section. Resistivity is a property of the material and depends on temperature and pressure. The resistivity of conductors is low when compared to the resistivity of the insulators.

## How do you calculate resistivity example?

Resistance & Resistivity, Example Problems – YouTube – Time: 1:0811:08 – https://www.youtube.com/watch?v=pb8J4qaoacs

## What is resistivity class 10th?

Resistivity is defined as the electrical resistance of a conductor of unit cross-sectional area and unit length. The resistance of any conductor is directly proportional to the length of the conductor and inversely proportional to the area of cross-section of the conductor.

## What do you mean by resistivity?

resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length. A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents.

## What is the resistivity in chemistry?

Resistivity refers to the electrical resistance of a conductor of a particular unit cross-sectional area and unit length. It is definitely a characteristic property of each material. Furthermore, experts can use resistivity for comparing different materials on the basis of their ability to conduct electric currents.

## What is resistance class 10 BYJU’s?

Resistance is the measure of opposition applied by any object to the flow of electric current.

## What is resistivity and its SI unit?

Resistivity can be defined as the resistance of a conducting material per unit length with unit area of cross section. So it SI unit will be. ρ= RA / l.

## What is the resistivity of material?

ρ is the resistivity of the material in Ω. m. R is the electrical resistance of uniform cross-sectional material in Ω l is the length of a piece of material in m.

## What is resistivity of a material class 10th?

Resistivity is defined as the electrical resistance of a conductor of unit cross-sectional area and unit length. The resistance of any conductor is directly proportional to the length of the conductor and inversely proportional to the area of cross-section of the conductor. SI unit of resistivity is ohm-meters.

## What causes resistivity in metals?

In metal conductors, when the temperature increases, the ion cores in the metal vibrate with a larger amplitude. This hinders the flow of electrons, and the resistivity increases.

## What is resistivity of metals and alloys?

Conductivity is the reciprocal of resistivity….Resistivity (ρ) & Conductivity (σ) of Metals, Alloys, Rocks, and Soils.

## What determines resistivity of A material?

The resistivity of a material is defined in terms of the magnitude of the electric field across it that gives a certain current density. It is possible to devise an electrical resistivity formula.

## What are the factors that affects the resistivity of conductors?

There are several factors that affect the resistance of a conductor;. material, eg copper, has lower resistance than steel.length – longer wires have greater resistance.thickness – smaller diameter wires have greater resistance.temperature – heating a wire increases its resistance.

## What are the factors for resistivity?

Resistivity of a material depends on (1) nature / type of material. (2) temperature of the material. (3) the pressure exerted on the material at small extent. Resistivity of metallic substances increases with temperature while resistivity of semi-conductor substances decreases with temperature.

## What is resistivity and its formula?

Resistivity – It is a measure of resistivity power of a specified material to the flow of an electric current. R=ρALρ=LRA. where R= resistivity. A= Area of cross section. L= Length of wire.

## WHAT IS a in resistivity formula?

The resistivity formula is expressed as. Where ρ is the resistivity, R is the resistance, l is the length of the material and A is the area of cross-section.

## What is resistivity Ncert?

Resistivity is also known as specific resistance. It is the resistance of the specific material; also it is specific to a material. R=ρ, If A and L =1 in Equation R= ρ (L/A). Resistivity is defined as resistance of unit length and unit area of a conductor.

## What is resistivity and its unit class 10?

The electrical resistivity of a material is defined as the resistance offered to current flow by a conductor of unit length having unit area of cross section. The unit of ρ is ohm−m(Ωm)

## What do you mean by resistivity Class 12?

The resistance per unit length and cross-sectional area is called resistivity. It is constant for each material. The resistivity changes from material to material.

## What do you mean by resistivity Class 10?

Resistivity is defined as the electrical resistance of a conductor of unit cross-sectional area and unit length. The resistance of any conductor is directly proportional to the length of the conductor and inversely proportional to the area of cross-section of the conductor.

## What do you mean by resistivity and conductivity?

Conductivity vs Resistivity Since conductivity is the measure of how easily electricity flows, electrical resistivity measures how much a material resists the flow of electricity.

## What is resistivity class12?

Resistivity is also known as specific resistance. It is the resistance of the specific material; also it is specific to a material. R=ρ, If A and L =1 in Equation R= ρ (L/A). Resistivity is defined as resistance of unit length and unit area of a conductor.

## What is resistivity and its unit?

## What is resistance and resistivity in chemistry?

Definition. Resistance is the physical property of a substance because of which it opposes the flow of current i.e. electrons. Resistivity is the physical property of a particular substance which is having particular dimensions.

## What is meant by conductivity and resistivity in chemistry?

Electrical resistivity is a property of a material that tells you how much it resists the flow of electric current, while conductivity quantifies how easily current flows.

## What is resistivity Class 10 Ncert?

Resistivity is defined as the electrical resistance of a conductor of unit cross-sectional area and unit length. The resistance of any conductor is directly proportional to the length of the conductor and inversely proportional to the area of cross-section of the conductor.

## What is resistivity Class 11?

Solution. The electrical resistivity of a material is defined as the resistance offered to current flow by a conductor of unit length having a unit area of cross-section.

## What is resistivity class8?

Resistivity is the resistance per unit length and cross-sectional area. It is the property of the material that opposes the flow of charge or the flow of electric current. The unit of resistivity is ohm meter.

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