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PhysicsJEE Main 2 Apr 2026, Shift 2·Q14·MCQ·Moderate

Electric Charges and Fields · Electric field

Two metal plates (A, B) are kept horizontally with separation of (12π)\left(\dfrac{12}{\pi}\right) cm, with plate A on the top. An atomizer jet sprays oil (density 1.5 g/cm31.5\ \mathrm{g/cm^3}) droplets of radius 1 mm horizontally. All oil droplets carry a charge 5 nC. The potentials VAV_A and VBV_B are required on plates A and B respectively in order to ensure the droplets do not descend. The values of VAV_A and VBV_B are . (Neglect the air resistance to the droplets and take g=10 m/s2g = 10\ \mathrm{m/s^2})
  1. (1)100 V and 580 V
  2. (2)580 V and 100 V
  3. (3)60 V and 400 V
  4. (4)0 V and −200-200 V

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