query: Why is there often a metal clip around a dc motor
positive_passages.docid: 154737
positive_passages.text: Metal sleeve around cassette player motors?
negative_passages.docid: 58019
negative_passages.text: How does a capacitor block DC?
negative_passages.docid: 136637
negative_passages.text: Why doesn't a commutator cause the rotation to reverse periodically or stop?
negative_passages.docid: 64598
negative_passages.text: Relationship between current through a motor and it's load
negative_passages.docid: 69108
negative_passages.text: A question about a debouncing circuit
negative_passages.docid: 67794
negative_passages.text: The separation between the two plates of a capacitor is increased
negative_passages.docid: 35141
negative_passages.text: Effect on loading a DC motor - load torque
negative_passages.docid: 109656
negative_passages.text: Why do tuning forks have two prongs?
negative_passages.docid: 103232
negative_passages.text: What are those small metal bars going across a PCB for?
negative_passages.docid: 39132
negative_passages.text: Why is there a magnetic field around a magnet if there are no charges moving?
negative_passages.docid: 118528
negative_passages.text: A little line under the name of the part
negative_passages.docid: 129879
negative_passages.text: Converting a DC motor to a generator
negative_passages.docid: 126245
negative_passages.text: Replacing the core of a solenoid to increase the pulling force
negative_passages.docid: 78752
negative_passages.text: What determines how much power the motor 'draws'?
negative_passages.docid: 89448
negative_passages.text: Electrical Motors and Frequency
negative_passages.docid: 20885
negative_passages.text: Purpose of "wave shaped" PCB traces
negative_passages.docid: 57525
negative_passages.text: Why does an electric motor burn up when you physically stop it?