Surface chrge density on current carrying conductor?

Thread starter Navaraj Baniya
Start date Aug 25, 2015
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Conductor Current Density Surface

In summary, surface charge density on a current carrying conductor is the amount of electric charge per unit area present on the surface of the conductor. It is directly proportional to the amount of current flowing through the conductor and is affected by the current, surface area, and material of the conductor. The surface charge density also creates an electric field around the conductor, which is important in understanding the behavior of current carrying conductors in electrical engineering.

Aug 25, 2015

Navaraj Baniya

I am confuse with the fact that current carrying conductor has gradual surface charge density which provide force to electron to produce current.

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Aug 25, 2015

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Related to Surface chrge density on current carrying conductor?

1. What is surface charge density on a current carrying conductor?

Surface charge density on a current carrying conductor is the amount of electric charge per unit area present on the surface of the conductor. It is denoted by the symbol σ and is measured in coulombs per square meter (C/m²).

2. How is surface charge density related to current in a conductor?

Surface charge density is directly proportional to the amount of current flowing through a conductor. This means that as the current increases, the surface charge density also increases. Similarly, when the current decreases, the surface charge density decreases.

3. What factors affect the surface charge density on a current carrying conductor?

The surface charge density on a current carrying conductor is affected by the amount of current flowing through the conductor, the surface area of the conductor, and the material of the conductor. A higher current or larger surface area will result in a higher surface charge density, while a different material may have a different surface charge density for the same amount of current.

4. How does surface charge density affect the electric field around a conductor?

The surface charge density on a current carrying conductor creates an electric field around the conductor. The direction of this electric field is perpendicular to the surface of the conductor and its strength is directly proportional to the surface charge density. This electric field is what allows current to flow through the conductor.

5. Why is surface charge density important in electrical engineering?

Surface charge density is an important concept in electrical engineering because it helps us understand the behavior of current carrying conductors. It is used in calculations and analyses of electric and magnetic fields, and is crucial in designing and optimizing electrical systems and devices.