If a copper wire carries a direct current, the magnetic field associated with the current will be

If a copper wire carries a direct current, the magnetic field associated with the current will be

  1. A

    only inside the wire

  2. B

    only outside the wire

  3. C

    both inside & outside the wire

  4. D

    neither inside nor outside the wire

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    Solution:

    The magnetic field never lies inside a conductor like electric field. It takes place outside around current carrying conductor.

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