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Electric Motor at different voltages.

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If a motor requires 6 Watts to run it, does it make a difference how that power is obtained?
For example:
Will 0.5 volts times 12 Amps run the motor the same as 12 Volts times 0.5 Amps wii? Each gives 6 Watts but the way they are generated is different.

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Solution Summary

This solution provides a detailed explanation of the given classical mechanics question.

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As far as the work done against the external torque there will be no problem but there is some power loss in the coil of the motor due to its ...

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