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A 2 H inductor carrying 4 A stores how much magnetic energy?

  • A4 J
  • B8 J
  • C16 J
  • D32 J
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Correct Answer: C. 16 J
Explanation: Inductor energy is W=0.5LI^2=0.5×2×4^2=16 J.
Reference: Standard network theory: inductor energy numerical
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