What percent of the input power is used to drive the car

Reference no: EM13329285

A small electric car overcomes a 260N friction force when traveling 23km/h . The electric motor is powered by ten 12-V batteries connected in series and is coupled directly to the wheels whose diameters are 57cm . The 240 armature coils are rectangular, 11cm by 12cm , and rotate in a 0.55T magnetic field.

How much current does the motor draw to produce the required torque?

What is the back emf?

How much power is dissipated in the coils?

What percent of the input power is used to drive the car?

Reference no: EM13329285

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