Integrating Electromagnetism

• The force on a charge in a magnetic field

• The force on a current carrying wire.

• The induced voltage in a moving wire

are often taught as separate phenomena….

The first video shows the force on an electron moving perpendicular to a magnetic field.

• Lorentz 1.MOV

The electron is pushed to the right (direction given by LHS rule).

The second video shows the force acting on a metal rod carrying a current across a magnetic field.

• Lorentz 2.MOV

The force on the electrons (and hence the rod) is given by the LHS rule.

The third video shows the voltage induced in a metal rod moving perpendicular to a magnetic field.

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• Lorentz 3.MOV

The force on the electrons and thus the polarity is given by the LHS rule.

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