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Electromagnetic TheoryPoynting Vector

The SI unit of the Poynting vector is?

  • AW/m²
  • BJ/m
  • CV/m
  • DA/m²
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Correct Answer: A. W/m²
Explanation: Because the Poynting vector is power per unit area, its SI unit is watt per square metre.
Reference: Standard electromagnetic theory: poynting vector
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