Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:magnetometer
|
| gptkbp:canBeTurnedOnOrOff |
true
|
| gptkbp:category |
electromagnetism
engineering physics |
| gptkbp:discoveredBy |
gptkb:William_Sturgeon
|
| gptkbp:discoveredIn |
1824
|
| gptkbp:hasConcept |
gptkb:steel
gptkb:ferrite iron |
| gptkbp:magneticFieldDirection |
depends on current direction
|
| gptkbp:magneticFieldIs |
temporary
|
| gptkbp:magneticFieldStrength |
gptkb:Electricity
core material number of coil turns |
| gptkbp:material |
coil of wire
|
| gptkbp:usedIn |
gptkb:particle_accelerators
relays electric motors generators loudspeakers MRI machines maglev trains magnetic cranes |
| gptkbp:uses |
gptkb:Electricity
|
| gptkbp:bfsParent |
gptkb:Electromagnetic_Suspension
gptkb:Magnetic_Field |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Electromagnets
|