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electronics and communication engineering materials and components
1. Spontaneous polarization occurs in ferroelectric materials.
(A): False
(B): True
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QA->The polarization of the electromagnetic wave is in?....
QA->Spontaneous (adj.)....
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MCQ->Above ferroelectric curie temperature, spontaneous polarization in ferroelectric materials becomes stronger.....
MCQ->Assertion (A): Ferroelectric materials have spontaneous polarization.Reason (R): Above curie temperature, ∈ = for ferro-electric materials.....
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MCQ->Assertion (A): Rochelle salt and Barium titanate are both ferroelectric. Reason (R): Ferroelectric materials exhibit hysteresis effect.....
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