High-current circuit breakers typically consist of coils that generate a magnetic field to blow out the arc
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High-current circuit breakers typically consist of coils that generate a magnetic field to blow out the arc formed when the contacts open. An arc 30 mm long carries a current of 520 A in a direction perpendicular to a magnetic flux density of 0.4 mWb/m2. Determine the magnetic force on the arc.
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