A 0.2-cm radius cylinder, 3.0 cm long, is wrapped with wire to form an inductor.?

At the instant the magnetic field in the interior is 5.0 mT the energy stored in the field is about:

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  • Rick
    Lv 7
    7 years ago
    Favorite Answer

    The flux density is B=muo N I/length and H=B/muo. The energy stored in a magnetic field is

    .5 B H volume. The units of volume need to be meters^3, not cm^3. You can do the math.

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