1.

Assertion (A): In some materials, Ɛᵣ is independent of temperature while in others, Ɛᵣ depends on temperature.Reason (R): If permanent dipoles are absent, Ɛᵣ 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
Answer» D. A is false but R is true


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