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PhysicsJEE Main 4 Apr 2026, Shift 1·Q15·MCQ·Moderate

Electric Potential and Capacitance · Capacitance

A parallel plate air capacitor is connected to a battery. The plates are pulled apart at uniform speed vv. If xx is the separation between the plates at any instant, then the time rate of change of electrostatic energy of the capacitor is proportional to xαx^{\alpha}, where α\alpha is .
  1. (1)−2-2
  2. (2)1
  3. (3)−1-1
  4. (4)2

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