An electric generator rotates coils of wires between magnetic fields produced by permanents or electric magnets. When the conducting coil cross the magnetic field, it causes the electrons in the wire to move making an electric current.
When the barge enters the northern most part of the river, the southward current is 0.67 m/s. How will the barge be affected? The barge will move slower. The direction of the barge will change.
