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Dielectrics which show spontaneous polarization are called as __________

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Dielectrics which show spontaneous polarization are called as __________

(a) Pyroelectric

(b) Piezoelectric

(c) Ferroelectric

(d) Centrosymmetric

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This interesting question is from Ferroelectricity in division Dielectrics of Engineering Physics II

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Correct choice is (c) Ferroelectric

Easy explanation: The Dielectric materials which exhibit spontaneous polarization, i.e., are polarized even in the absence of an applied electric field and whose polarization is reversible are called ferroelectric materials.

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