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For a solenoid in vacuum of length I = 10 cm with 10* turns per meter calculate the value of the current if the solenoid is placed in an
external uniform magnetic field Bext = 35 µT with field lines exactly opposite to the field produced by the solenoid. Take vacuum
permeability Ho = 4x × 10¬/ H/m. Provide your answer in SI units.

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For a solenoid in vacuum of length l = 10 cm with 10* turns per meter calculate the value of the current if the solenoid is placed in an external uniform magnetic field Bext = 35 µT with field lines exactly opposite to the field produced by the solenoid. Take vacuum permeability Ho = 4x x 10-7 H/m. Provide your answer in SI units. Answer:
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