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Electromagnetic TheoryPotential Equations

Poisson’s equation for electrostatic potential in a homogeneous medium is?

  • A∇²V = -rho_v/epsilon
  • B∇²V = rho_v epsilon
  • C∇×V = -rho_v/epsilon
  • D∇·V = 0 always
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Correct Answer: A. ∇²V = -rho_v/epsilon
Explanation: Combining Gauss's law with E=-∇V gives ∇²V=-ρv/ε.
Reference: Standard electromagnetic theory: potential equations
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