MCQOPTIONS
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MCQOPTIONS
| 1. |
Two copper balls, each weighing 10g are kept in air 10 cm apart. If one electron from every \[{{10}^{6}}\] atoms is transferred from one ball to the other, the coulomb force between them is (atomic weight of copper is 63.5) [KCET 2002] |
| A. | \[2.0\times {{10}^{10}}\]N |
| B. | \[2.0\times {{10}^{4}}\]N |
| C. | \[2.0\times {{10}^{8}}\]N |
| D. | \[2.0\times {{10}^{6}}\]N |
| Answer» D. \[2.0\times {{10}^{6}}\]N | |