MCQ
The value of $(\mu_{0}\in_{0})^{-1/2}$ is :
- A$3\times10^{7}m/s$
- ✓$3\times10^{8}m/s$
- C$3\times10^{9}m/s$
- D$3\times10^{10}m/s$
✓
Answer
Correct option: B.
$3\times10^{8}m/s$
B
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