Geometric Progression(GP): Question Class 12 Notes | EduRev

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Class 12 : Geometric Progression(GP): Question Class 12 Notes | EduRev

The document Geometric Progression(GP): Question Class 12 Notes | EduRev is a part of Class 12 category.
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An infinite number of charges, each equal to 4C, are placed along the x-axis at x = 1 m, x = 2 m, x = 4 m, x = 8 m and so on. The total force on a charge of 1C placed at the origin is​

  • a)
    48 × 10 8 N
  • b)
    4.8 × 10 9 N
  • c)
    48 × 10 4 N
  • d)
    4.8 × 10 10 N
Correct answer is 'D'. Can you explain this answer?

Ref: https://edurev.in/question/455392/An-infinite-number-of-charges-each-equal-to-4C-a


U just need to add the distance using Gp.  formula ...............a/1-r ........................a= 1......&......r = 1/4.............

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