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A wire 25 m long carries a current of 12 A from west to east. If the magnetic force on the wire due to Earth’s magnetic field is upward (away from Earth) and has a magnitude of 4.0 × 10⁻² N, find the magnitude and direction of the magnetic field at this location.
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A wire 25 m long carries a current of 12 A from west to east. If the magnetic force on the wire due...
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