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KCET2024PhysicsElectrostatics

A body has a charge of -3.2 C . The number of excess electrons will be

Options

  1. A5.12 10²⁵
  2. B5 10¹²
  3. C2 10¹³
  4. D5.12 10¹³

Correct answer

C. 2 10¹³

Step-by-step solution

Charge on body, q=-3.2 C =-3.2 10⁻⁶ C Number of excess electrons, n= q e = -3.2 10⁻⁶ -1.6 10⁻¹⁹ =2 10¹³

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