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Theory

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Simulation

Posttest

References

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Dielectric constant and Curie Temperature Measurement

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What is the dielectric constant?

a: The ratio of the electric field to the magnetic field Explanation

Explanation

b: The measure of a material's ability to store electrical energy in an electric field Explanation

Explanation

c: The resistance offered by a material to current flow Explanation

Explanation

d: The frequency at which a material resonates Explanation

Explanation

What property defines a ferroelectric material?

a: It has zero electrical conductivity Explanation

Explanation

b: It has a low thermal conductivity Explanation

Explanation

c: It is non-magnetic and does not respond to an electric field Explanation

Explanation

d: It possesses a permanent electric dipole that can be reversed by an external electric field Explanation

Explanation

What is the Curie temperature?

a: The temperature at which a ferroelectric material loses its ferroelectric properties and becomes paraelectric Explanation

Explanation

b: The temperature at which a ferroelectric material becomes superconductive Explanation

Explanation

c: The melting point of the ceramic material Explanation

Explanation

d: The point at which the material becomes transparent Explanation

Explanation

Which of the following materials is commonly known to be ferroelectric?

a: Silicon dioxide (SiO₂) Explanation

Explanation

b: Lead zirconate titanate (PZT) Explanation

Explanation

c: Aluminum oxide (Al₂O₃) Explanation

Explanation

d: Magnesium oxide (MgO) Explanation

Explanation

What is the significance of measuring the dielectric constant in ferroelectric ceramics?

a: To measure the electrical resistance of the ceramic Explanation

Explanation

b: To determine the thermal stability of the ceramic Explanation

Explanation

c: To understand the ceramic’s ability to store electrical energy Explanation

Explanation

d: To find the magnetic properties of the ceramic Explanation

Explanation

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