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NEET Physics Capacitance 2024 NEET 2024 (Re-NEET)

NEET Physics Question (2024) — Solution

Question

A 12 pF capacitor is connected to a 50 V battery, the electrostatic energy stored in the capacitor in nJ is

Options

  1. A. 15
  2. B. 7.5
  3. C. 0.3
  4. D. 150

Answer

A. 15

Step-by-step solution

Electrostatic energy stored U= 1 2 C V^2 = 1 2 12 10^ -12 (50)^2 =6 25 10^ -10 =15 10^ -9 ~J =15 ~nJ

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