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| Q. |
Find the force between 2C and -1C separated by a distance 1m in air(in newton). |
| A. | 18 x 106 |
| B. | -18 x 106 |
| C. | 18 x 10-6 |
| D. | -18 x 10-6 |
| Answer» B. -18 x 106 | |
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