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NEET 1990 (AIPMT) · Self-Inductance & Energy

Self-Inductance & Energy question from NEET 1990 (AIPMT)

Q90NEET 1990 · AIPMTEasy

Self-Inductance & Energy

An inductor may store energy in

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Answer: (c)

  1. Current in an inductor sets up a magnetic field; the energy 12LI2\tfrac12 LI^2 is stored in that field (density B22μ0\dfrac{B^2}{2\mu_0}).
  2. So the answer is (c) its magnetic field.
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