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I'm a physics student doing my last year of high school in Australia.

For an assessment task I have to do a practical investigation on electric motors and generators but I am a bit lost on this subject.

I need a few ideas that are easy to understand and prove/disprove using a simple 3 volt electric motor.

We've covered things like Faraday's Law, Lenz's Law and calculating EMF in class but I'm not sure what can easily be done for an investigation.

Any help would be greatly appreciated.

Thanks

Jon