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Electronics and Communication Engineering - Materials and Components - Discussion

Discussion Forum : Materials and Components - Section 4 (Q.No. 13)
Materials and Components
13.

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.

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
Answer: Option
Explanation:
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