MCQ
Sl unit of permittivity is
- A$C^2 m^2 N^{-1}$
- B$C^{-1} m^2 N^{-2}$
- C$C^2 m^2 N^2$
- ✓$C^2 m^{-2} N^{-1}$
✓
Answer
Correct option: D.
$C^2 m^{-2} N^{-1}$
(d) $F=\frac{1}{4 \pi \in} \frac{q_1 q_2}{r^2} \Rightarrow \in=\frac{1}{4 \pi} \frac{q_1 q_2}{F r^2}=C^2 m^{-2} N^{-1}$
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