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Materials and Components - Engineering

Q1:

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

A Both A and R are true and R is correct explanation of A

B Both A and R are true but R is not correct explanation of A

C A is true but R is false

D A is false but R is true

ANS:B - Both A and R are true but R is not correct explanation of A

I think both are correct but independent of each other.