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Q. |
Electric field strength on a dust particle having charge equal to 8 × 10 - 19 when plates are separated by distance of 2 cm and have a potential difference of 5 kV is {{}} |
A. | 2.0 × 10 -13 N |
B. | 3 N |
C. | 5 N |
D. | 20 N |
Answer» A. 2.0 × 10 -13 N |
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