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Q. |
Permeability of vacuum is given as _________. |
A. | 4 × 10−7 H/m |
B. | 14 × 10−7 H/m |
C. | 4 × 10−9 H/m |
D. | 14 × 10−9 H/m |
Answer» A. 4 × 10−7 H/m |
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