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Physicss Physics A Level Physics Home Revision hut Electric motor effect When a current flows through a conductor in a magnetic field
it experiences a force acting on it. The direction of the force
depends on the direction of the magnetic field and the direction
of the current. The LEFT HAND RULE shows the directions. Magnetic field direction
Current direction
Force direction (motion) F C M First finger
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        N When the current is turned on going into the page
The direction of the force (motion) is DOWN
When the current is turned on coming out of the page
The direction of the force (motion) is UP
Play the animation
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Current going into page Current coming out of page