query: Is it possible to maintain the electric current permanently?
positive_passages.docid: 28894
positive_passages.text: How can I put a permanent current into a superconducting loop?
negative_passages.docid: 144933
negative_passages.text: Electrical potential energy stored in vacumm for a single point charge?
negative_passages.docid: 100248
negative_passages.text: How is potential difference maintained in a battery?
negative_passages.docid: 145665
negative_passages.text: Tapping energy from high voltage AC transmission lines
negative_passages.docid: 57584
negative_passages.text: Would a generator in vacuum/space provide electricity endlessly?
negative_passages.docid: 69399
negative_passages.text: Alternating Current Inquires
negative_passages.docid: 125392
negative_passages.text: Is LED properly implemented in the constant current circuit?
negative_passages.docid: 50787
negative_passages.text: Splice high current charge source into USB cable?
negative_passages.docid: 120333
negative_passages.text: Is it possible to split electricity consumption of an appliance between apartments?
negative_passages.docid: 58516
negative_passages.text: Limiting the short circuit current of a power supply
negative_passages.docid: 10615
negative_passages.text: What maintains constant voltage in a battery?
negative_passages.docid: 68594
negative_passages.text: Using Constant Current Power Supply to control Load Output of a Grid-Tie Inverter
negative_passages.docid: 92209
negative_passages.text: Is it safe to have laptop turned on 24/7?
negative_passages.docid: 37452
negative_passages.text: Is it possible to convert a switched light into an unswitched outlet?
negative_passages.docid: 137007
negative_passages.text: What kind of capacitor could build up, and maintain a charge acquired from lightning?
negative_passages.docid: 69044
negative_passages.text: Does electricity flow in open circuits?
negative_passages.docid: 52547
negative_passages.text: Transformer, how the primary current is adjusted to be equal to the secondary load (without considering magnetizing current)?