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DC Motor + 9 V battery + 270 ohm resistor = Nothing (Motor won't turn) - Electrical Engineering Stack Exchange
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Measuring the Internal Resistance of a Brushed DC Motor for Use in Speed Control (IR Compensation) - Electrical Engineering Stack Exchange
![A dc shunt motor has external resistance R1 in the field circuit and resistance R2 in the armature circuit. The starting armature current for the motor will be minimum when A dc shunt motor has external resistance R1 in the field circuit and resistance R2 in the armature circuit. The starting armature current for the motor will be minimum when](https://www.gkseries.com/blog/wp-content/uploads/2022/02/A-dc-shunt-motor-has-external-resistance-R1-in-the-field-circuit-and-resistance-R2-in-the-armature-circuit.-The-starting-armature-current-for-the-motor-will-be-minimum-when.png)
A dc shunt motor has external resistance R1 in the field circuit and resistance R2 in the armature circuit. The starting armature current for the motor will be minimum when
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