mackmadd6059 mackmadd6059
  • 10-04-2024
  • Physics
contestada

A 0.45 copper rod with a mass of 0.17 kg carries a current of 11 A in the positive x direction. What are the magnitude and direction of the minimum magnetic field needed to levitate the rod?
a) 0.28 T, upward
b) 0.28 T, downward
c) 0.56 T, upward
d) 0.56 T, downward

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