A wire carries a 20 A current at an angle 90.0° from the direction of a magnetic field

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A wire carries a 20 A current at an angle 90.0° from the direction of a magnetic field

[From: ] [author: ] [Date: 11-05-27] [Hit: ]

F = (0.3T)(20.0A)(4.0m) .. .......

A wire carries a 20 A current at an angle 90.0° from the direction of a magnetic field with a strength of 0.300 T. Find the magnitude of the magnetic force on a 4 m length of the wire.

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Using F = BiL [for force on a current carrying conductor in a magnetic field]
(magnetic force required = weight of wire, mg Newtons)

F = (0.3T)(20.0A)(4.0m) .. .. ►= 24 N (perp. to field and current)

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