Materials and Components

Assertion (A): In some materials, ∈_r is independent of temperature while in others, ∈_r depends on temperature. Reason (R): If permanent dipoles are absent, ∈_r varies with temperature.

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:C - A is true but R is false

No answer description is available.

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