On what principle electric motor works?

Principle of force experienced by current carrying conductor in magnetic field

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Principle of current experienced by current carrying conductor in magnetic field

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Principle of force experienced by current carrying conductor in electric field

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None of the above

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Solution

The correct option is D Principle of force experienced by current carrying conductor in magnetic field
An electric motor converts electrical energy into mechanical energy.
Current is passed through an armature, which placed under an external magnetic field experiences force on its arms and causes the armature to rotate.Hence based on the principle of force experienced by current carrying conductor in magnetic field.

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