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Magnetic Torque on Current Loops and DC Electric Motors

Magnetic Fields, Lorentz Force, and DC Motors

11th Grade·Science·Open Global Science

Updated 1 month ago · 4 views

Explain how split-ring commutators, armatures, and magnetic torque produce continuous rotation in direct current electric motors.

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Magnetic Fields, Lorentz Force, and DC Motors

11th Grade · Science · Open Global Science

7 lessons

Goal

Analyze magnetic fields produced by currents and permanent magnets, calculate magnetic forces on charges and conductors, and model electric motors.

7 lessons

0 of 7 done

Permanent Versus Induced Magnets and Magnetic MaterialsUp next
Magnetic Fields Around Current-Carrying Wires and SolenoidsNot started yet
Magnetic Fields and Lorentz Force on Moving ChargesNot started yet
Charged Particle Trajectories and Mass SpectrometryNot started yet
Earth's Magnetic Field and Magnetospheric ShieldingNot started yet
Magnetic Force on a Current-Carrying Conductor: F = BIl sin θNot started yet
Magnetic Torque on Current Loops and DC Electric MotorsYou are here

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Learning standards covered

OGS.12.PS3.6Open Global Science Standards 2026™ · 11th Grade

Investigate magnetic fields generated by permanent magnets, straight current conductors, and solenoids; calculate magnetic force on current-carrying wires (F = BIL) and moving charged particles (Lorentz force F = qvB sin θ), explaining the operation of DC electric motors and Earth's magnetosphere.