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Materials and Components
Assertion (A): Ferroelectric materials have spontaneous polarization. Reason (R): Above curie temperature, ∈ = for ferro-electric materials.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true
Correct Answer:
Both A and R are true but R is not correct explanation of A
Explanation:
Both A and R are correct. Spontaneous polarization vanishes above ferroelectric curie temperature.
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