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Paragraph: A small charged bead (mass = m, charge = Q) can slide on a circular frictionless, fixed insulating wire frame. A point like dipole (dipole moment P) is fixed at the centre of circle. Bead is released from rest from given position 'A'. (Neglect gravity) Question: Choose incorrect statements.

Options

  1. ASpeed of bead is maximum at point ' B '.
  2. BNormal force on the bead at point ' A ' is zero
  3. CTangential acceleration of bead at point ' A ' is zero
  4. DMotion of bead is periodic.

Correct answer

C. Tangential acceleration of bead at point ' A ' is zero

Step-by-step solution

Tangential acceleration of bead at point ' A ' is zero

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