Question

A magnetic field can be produced​

Answer 1

Answer:

hey mate here is ur answer

Explanation:

As Ampere suggested, a magnetic field is produced whenever an electrical charge is in motion. ... The magnetic moment of an atom can be the result of the electron's spin, which is the electron orbital motion and a change in the orbital motion of the electrons caused by an applied magnetic field.

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Answer 2

Answer:

magnet ,current

Explanation:

if you are a graduate you know

due to boit Soviet law dB = mew/4 pie I/a dl× r/ r^ 3

and m= km1m2/ r^ 2