PHYS - Working Principle of Electric Motor
Physics, electromagnetism, motor - IBDP | DSE | GCE | IAL | AP Physics
Frequently asked in the IGCSE Physics are questions on the working principles of simple electric motors.
Electric motor works on a simple principle based on electromagnetism.
Suggest three ways to increase the speed of rotation of the coil in the motor.
Suggest how to make the coil rotate in the other direction.
In another motor, the magnets are curved and there is a piece of iron inside the coil. The iron increases the strength of the magnetic field through the coil.
Suggest how the curved magnets and piece of iron improve the performance of the electric motor.
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