Oh, I see. The enclosed charge is equal to the charge on the inner radius, b, plus the charge in the center. It's obviously 3e, since the field is equal to 0. As for the outer radius, I know that the spherical conductor has total charge, +5e. In order for it to have this total charge, I add the charges on the two surfaces together: 3e + 2e = 5e.

In general, good conductors of electricity (metals like copper, aluminum, gold, and silver) are also good heat conductors, whereas insulators of electricity (wood, plastic, and rubber) are poor heat conductors. The figure below shows molecules in two bodies at different temperatures.

Because Copper is an excellent electrical conductor, most of its common uses are for electrical purposes. Many common applications also rely on one or more beneficial properties, such as the fact that it is a good thermal conductor or has low reactivity (reaction with water and acids).

The resistance of a conductor depends on the following factors: The resistance of a conductor depends on its length. It is directly proportional to the length, R α l. The resistance of a conductor is inversely proportional to its area of cross-section, i.e. R α 1 / A. Resistance depends on the nature of the material of the conductor.

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2.1 Steps to Apply For a Conductor License 3 Renewing Your Conductor License 4 FAQ’s 4.1 Conclusion What is a Conductor License? A conductor license is a permit that allows an individual to operate a commercial vehicle as a conductor.

Recently, conductor Jhansi’s comments on his suicide became a sensation. 1/ 7 Dhee show choreographer Chaitanya committed suicide, a great tragedy struck the television industry. Recently, conductor Jhansi Sanchalana made comments on… Continue reading Conductor jhansi comments. English Italian French Spanish German Breaking news

Textbook Solutions CBSE Notes What is Electrical Conductivity? Electrical conductivity is just the reciprocal of electrical resistivity. It is also known as specific conductance that represents a material's ability to conduct electric current. Commonly, we signify electrical conductivity by the Greek letter σ (sigma).