Useful and wasted energy in motors
What Useful and wasted energy in motors means in Physics GCSE, as defined for OCR.
Definition of Useful and wasted energy in motors
Check what you remember
Read the wording for your board, then hide it and explain Useful and wasted energy in motors in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A motor transfers energy electrically to kinetic energy of the moving parts, but friction in bearings and resistance heating in the coils waste energy as thermal energy to the surroundings.
Topics that use Useful and wasted energy in motors
- Power and efficiency (OCR GCSE)
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Using Useful and wasted energy in motors in the exam
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