Electronics and Communication Engineering - Materials and Components - Discussion
Discussion Forum : Materials and Components - Section 8 (Q.No. 12)
12.
Which of the following are true for relative dielectric constant?
- It is dimensionless.
- It is equal to 1 for vacuum.
- It is equal to 1 for all substances.
Answer: Option
Explanation:
∈r has no units and equal to 1 for vacuum. For other substances it has different value.
Discussion:
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