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An electric field 'E' whose direction is radially outward varies as distance from origin 'r' as shown in the graph E is taken as positive if its direction is away from the origin. Then the work done by electric field on a 2 C charge if it is taken from (1,1,0) to (3,0,0) is : |
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Answer» `20 (3 + SQRT(2))J` |
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