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21 January, 05:18

Walking across a carpet can build up a charge by?

A. Contact

B. Friction

C. Induction

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Answers (2)
  1. 21 January, 07:57
    0
    The correct answer for above statement is:

    Walking across a carpet can build up a charge due to friction.

    Explanation:

    As you walk, some electrons are peeled away and a potential difference can grow up. The covered floor is a nonconductor (or can be the surface that is stripping away the electrons) so the charge can’t evanesce from your body till you encounter a metal doorknob or something grounded.
  2. 21 January, 08:49
    0
    Walking across a carpet can build up a charge due to friction
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