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Materials and Components
Assertion (A): The equation D = ∈0∈rE is applicable only to isotropic materials. Reason (R): In polycrystalline materials, the directional effects are absent.
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
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