MamaBearr40921 MamaBearr40921

06-04-2024
Physics

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Suppose that the magnetic field due to a very long straight wire carrying current i has magnitude Bₒ at a distance rₒ from the wire. What happens to the magnitude of the magnetic field if the distance from the wire is doubled?
a) It remains the same
b) It becomes 2Bₒ
c) It becomes Bₒ/2
d) It becomes 4Bₒ

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