EXAMIANS
When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability.
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As the viscosity of a liquid increases, the relaxation time
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Which of the following are true for relative dielectric constant?1. It is dimensionless.2. It is equal to 1 for vacuum.3. It is equal to 1 for all substances.
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Debye temperature of metals is
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Nickel is a non-magnetic material.
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Many compounds also exhibit semiconducting properties.
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On the basis of the type of chemical bonds, solids may be classified into
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The number of protons in a copper atom are
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When a material is in superconducting state and a magnetic field is applied
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The merger of hole and free electron is called
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