English National Curriculum - Science
Mission Objectives
Explain what the motor effect is
Explain how the force acting on a wire due to the motor effect can be increased
Apply Fleming’s left-hand rule to determine the direction of the force acting on a conductor
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Words and meanings to learn
motor effect
the force experienced by a current-carrying conductor when it is placed in a magnetic field
Tesla
the unit of magnetic flux density
magnetic flux density
the strength of a magnetic field, represented as the amount of magnetic flux passing through a unit area; it determines how strong the force is on a current-carrying conductor
DC motor
a motor that converts direct current (DC) electrical energy into mechanical energy (motion) using the motor effect
Fleming’s left hand rule
a rule used to determine the direction of the force acting on a current-carrying conductor in a magnetic field
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Kicking Wire Demo
A horse shoe magnet, stiff copper wire, wires, crocodile clips, a power pack and wires.
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