A PMDC motor is powered by a 12 V source and has a stall current of 1 A and a no-load speed of 3600 rpm. Assume the curr

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A PMDC motor is powered by a 12 V source and has a stall current of 1 A and a no-load speed of 3600 rpm. Assume the curr

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A PMDC motor is powered by a 12 V source and has a stall current of 1 A and a no-load speed of 3600 rpm. Assume the current in negligible small when the motor is running at its no-load speed. If the motor spins at 2500 rpm with a load attached, determine the following parameters torque and efficiency at this operating point.
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