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Electrical Properties of Solids Video Lecture | Chemistry Class 12 - NEET

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FAQs on Electrical Properties of Solids Video Lecture - Chemistry Class 12 - NEET

1. What are the electrical properties of solids?
Ans. The electrical properties of solids refer to their ability to conduct or resist the flow of electric current. These properties include conductivity, resistivity, and dielectric constant.
2. How is conductivity defined in solids?
Ans. Conductivity is a measure of how well a solid material conducts electric current. It is defined as the reciprocal of resistivity and is typically given in units of Siemens per meter (S/m).
3. What factors affect the electrical conductivity of solids?
Ans. The electrical conductivity of solids is influenced by several factors, including the presence of impurities or dopants, temperature, crystal structure, and the mobility of charge carriers such as electrons or ions.
4. What is resistivity and how is it related to conductivity?
Ans. Resistivity is the intrinsic property of a material that determines its resistance to the flow of electric current. It is the inverse of conductivity and is typically measured in ohm-meters (Ω·m). The relationship between resistivity (ρ) and conductivity (σ) is given by the equation σ = 1/ρ.
5. What is the dielectric constant of a solid?
Ans. The dielectric constant, also known as the relative permittivity, is a measure of a solid's ability to store electrical energy in an electric field. It is defined as the ratio of the capacitance of a capacitor filled with the solid to the capacitance of the same capacitor with a vacuum as the dielectric. The dielectric constant affects the ability of a solid to store and release electrical charge.
150 videos|378 docs|213 tests

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