Which of the following are true for relative dielectric constant?
1. It is dimensionless.
2. It is equal to 1 for vacuum.
3. It is equal to 1 for all substances.
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Materials And Components
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