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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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