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Magnetism - Physics - SSC CGL 2020 MCQs - ObjectiveMcq

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HomeExamSSC CGL2020PhysicsMagnetism

SSC CGL 2020 Physics Magnetism Questions

Browse the question list for Magnetism in Physics, SSC CGL 2020.

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SSC CGL 2020 PhysicsMagnetism

Which property of a magnet is used in an electric motor?

Attraction between like poles

Force on a current-carrying conductor in a magnetic field

Magnetic induction

Self-inductance

Answer and explanation

Correct Answer: B — Force on a current-carrying conductor in a magnetic field

Electric motors work on the principle that a current-carrying conductor placed in a magnetic field experiences a force (Fleming's left-hand rule).