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Section 4: open-ended Imagine you wish to sell your motor on Ebay. You will need to describe as many
of your motor's features in addition to your own intense emotional attachment to your motor. Design a
way to calculate the minimum source voltage required to operate your motor Vsommin and... 

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Thinking of the motor as any other circuit component, we know that the electrical power being used by
the component is P=IV. So the input electrical power can be measured in the lab as Pinput = I througha
power motor motor The output power is equal to the rate of work energy that the motor p... 

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Of course, through or across may not be constant as the motor operates, but we can treat these motor
motor as average values for now. Also, the motor will not always be able to make contact through the
wire brushes so that current does not flow to the motor at all times. If the motor is only in c...