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| 1. |
1uC and -1uC are placed at a distance of 5 cm forming a dipole. What is the amount of torque required to place the dipole perpendicularly to an electric field of 3*105 N/C? |
| A. | 5*10<sup>-3</sup> N. m |
| B. | 15*10<sup>-3</sup> N. m |
| C. | 1*10<sup>-3</sup> N. m |
| D. | 10*10<sup>-3</sup> N. m |
| Answer» C. 1*10<sup>-3</sup> N. m | |