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Produtos Ensino CientíficoEletricidade e Magnetismo

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The force acting on a current-carrying conductor loop in a uniform magnetic field (Lorentz force) is measured with a balance. Conductor loops of various sizes are suspended in turn from the balance, and the Lorentz force is determined as a function of the current and magnetic induction. The uniform magnetic field is generated by an electromagnet. The magnetic induction can be varied with the coil current.


  1.  The direction of the force is to be determined as a function of the current and the direction of the magnetic field.
  2. The force F is to be measured, as a function of the current IL in the conductor loop, with a constant magnetic induction B and for conductor loops of various sizes. The magnetic induction is to be calculated.
  3. The force F is to be measured, as a function of the coil current IM, for a conductor loop. In the range being considered, the magnetic induction B is, with sufficient accuray, proportional to the coil current IM.

What you can learn about

  • Uniform magnetic field
  • Magnetic induction (formerly magnetic-flux densitiy)
  • Lorentz force
  • Moving charges
  • Current

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