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Capacitor Lab

Build a capacitor from plates, spheres or a cable. Predict its charge and energy.

Physics · Class 12 · Capacitance of plates, spheres and cables · 8 simulations. For JEE, NEET and your boards.

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What you'll learn

  1. Same capacitor, new battery: C = Q/V belongs to the capacitor
  2. Build a plate capacitor: Plates: C = ε0A/d
  3. Thirty times more: Split the change: C ∝ A/d
  4. A sphere of 1 µF: A lone sphere: C = 4πε0R
  5. Sphere in a sphere: Two spheres, one centre
  6. Coaxial cable: A cable: C = 2πε0L / ln(b/a)
  7. 44% more energy: Energy grows as Q²
  8. Two in a line: In series: one charge, U = Q²/2C