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Which quantity of a ferroelectric material varies with temperature in the following graph?

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Which quantity of a ferroelectric material varies with temperature in the following graph?

(a) Polarization

(b) Polarizability

(c) Dielectric Constant

(d) Hysteresis loop
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Correct choice is (c) Dielectric Constant

To explain: The given graph shows the variation of dielectric constant with temperature T, for T > Tc. It is derived from the expression: εr = B + C/T – Tc, where B and C are constants.
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