EPISODE · Dec 20, 2025 · 6 MIN
Magnetism: When Magnets Make Motors Move
from GCSE Science Simplified (All GCSE Science in one place) · host Thom Izod
How do electric motors make things spin? In this episode of GCSE Science Simplified, we explore the motor effect and how current-carrying wires in magnetic fields experience forces that produce motion. Learn how Fleming’s left-hand rule predicts the direction of force, how the force depends on current, wire length, and magnetic field strength, and how the commutator keeps a motor coil spinning continuously—illustrated with a fun roundabout analogy. Perfect for GCSE students who want to understand how invisible magnetic forces create real-life rotation in motors, fans, and toys.
What this episode covers
How do electric motors make things spin? In this episode of GCSE Science Simplified, we explore the motor effect and how current-carrying wires in magnetic fields experience forces that produce motion. Learn how Fleming’s left-hand rule predicts the direction of force, how the force depends on current, wire length, and magnetic field strength, and how the commutator keeps a motor coil spinning continuously—illustrated with a fun roundabout analogy. Perfect for GCSE students who want to understand how invisible magnetic forces create real-life rotation in motors, fans, and toys.
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Magnetism: When Magnets Make Motors Move
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