MCQOPTIONS
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MCQOPTIONS
| 1. |
The force of an each of the conductors infinitely long and carrying a current of 1 A separated by a distance of 1 m in a vacuum is: |
| A. | 10 × 10-7 N |
| B. | 2 × 10-7 N |
| C. | 4π × 10-7 N |
| D. | 9 × 10-9 N |
| Answer» C. 4π × 10-7 N | |