The motor effect

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04:30

Description

When a current flows through a wire, a magnetic field will be produced around the wire.  The interaction between this magnetic field and a second magnetic field (either that produced by permanent magnets or by a second current-carrying conductor) causes a force to be exerted on the wire.  We call this the motor effect.

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Key Words

current, amp, ampere, wire, north pole, south pole, magnetic force, lines of magnetic flux, magnetic flux lines, motor effect, electromagnetism, magnetic field, magnetic flux density, magnetic field lines, solenoid, electromagnet, Fleming's left-hand rule, tesla