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Energy stored in an inductor of self-inductance L carrying current I is:
AL I
B½ L I
CL I²
D½ L I²
Answer & Solution
Correct answer: D. ½ L I²
1. Work done against back-EMF while building current = ∫L i di from 0 to I.
2. = ½ L I².
3. This energy is stored in the magnetic field.
_Source: NCERT Class 12 Physics Ch 6 §6.10 Energy in an Inductor_
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