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QUESTION
2 - B : Use the Lorentz force, EQ 5-1, to predict the direction of the force on the copper wire, as follows:
2 - B : Use the Lorentz force, EQ 5-1, to predict the direction of the force on the copper wire, as follows: When the power supply is turned off so that the wire carries no current, the direction of the Lorentz force is...? When the power supply is turned on, so that the wire carries a substantial current, the direction of the Lorentz force is...?
