Tesla coil
E16242
The Tesla coil is a high-voltage, high-frequency resonant transformer circuit invented by Nikola Tesla, famous for producing spectacular electrical discharges and demonstrating principles of wireless power transmission.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tesla coil canonical | 2 |
| dual-resonant solid-state Tesla coil | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T140721 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tesla coil Context triple: [Nikola Tesla, knownFor, Tesla coil]
-
A.
Tesla Roadster
The Tesla Roadster is an all-electric sports car that marked Tesla’s debut in the automotive market and helped popularize high-performance electric vehicles.
-
B.
Tesla Cybertruck
The Tesla Cybertruck is an all-electric, angularly styled pickup truck known for its stainless-steel exoskeleton, high performance, and futuristic design.
-
C.
Audion
Audion is an early triode vacuum tube invented by Lee de Forest that enabled the amplification of electrical signals and was crucial to the development of radio and electronics.
-
D.
Unitary Plan Wind Tunnel
The Unitary Plan Wind Tunnel is a major high-speed aerodynamic testing facility at NASA’s Ames Research Center used to evaluate aircraft and spacecraft designs.
-
E.
Hyperloop concept
The Hyperloop concept is a proposed high-speed transportation system using low-pressure tubes and magnetically levitated pods to move passengers and cargo at near-airline speeds on the ground.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tesla coil Target entity description: The Tesla coil is a high-voltage, high-frequency resonant transformer circuit invented by Nikola Tesla, famous for producing spectacular electrical discharges and demonstrating principles of wireless power transmission.
-
A.
Tesla Roadster
The Tesla Roadster is an all-electric sports car that marked Tesla’s debut in the automotive market and helped popularize high-performance electric vehicles.
-
B.
Tesla Cybertruck
The Tesla Cybertruck is an all-electric, angularly styled pickup truck known for its stainless-steel exoskeleton, high performance, and futuristic design.
-
C.
Audion
Audion is an early triode vacuum tube invented by Lee de Forest that enabled the amplification of electrical signals and was crucial to the development of radio and electronics.
-
D.
Unitary Plan Wind Tunnel
The Unitary Plan Wind Tunnel is a major high-speed aerodynamic testing facility at NASA’s Ames Research Center used to evaluate aircraft and spacecraft designs.
-
E.
Hyperloop concept
The Hyperloop concept is a proposed high-speed transportation system using low-pressure tubes and magnetically levitated pods to move passengers and cargo at near-airline speeds on the ground.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
electrical resonant transformer circuit
ⓘ
high-voltage generator ⓘ |
| application |
demonstrating electrical discharges
ⓘ
educational demonstrations ⓘ entertainment displays ⓘ high-voltage research ⓘ lighting discharge tubes ⓘ plasma research ⓘ radio transmission experiments ⓘ wireless power transmission experiments ⓘ |
| component |
power supply
ⓘ
primary capacitor ⓘ primary coil ⓘ secondary coil ⓘ spark gap ⓘ top-load terminal ⓘ |
| developedInCentury | 19th century ⓘ |
| field |
electrical engineering
ⓘ
power engineering ⓘ radio engineering ⓘ |
| hasCharacteristic |
air-core transformer
ⓘ
capable of producing long electrical discharges ⓘ high frequency operation ⓘ high voltage output ⓘ resonant transformer ⓘ |
| historicalUse |
early radio transmission experiments
ⓘ
wireless lighting experiments ⓘ wireless power transmission demonstrations ⓘ |
| inventor | Nikola Tesla ⓘ |
| notableFeature |
brush discharges
ⓘ
capability to light fluorescent lamps at a distance ⓘ long spark streamers ⓘ visible corona discharges ⓘ |
| operatingFrequencyRange | tens of kilohertz to several megahertz ⓘ |
| outputType |
high-voltage alternating current
ⓘ
radio-frequency current ⓘ |
| powerSource |
electronic high-voltage supply
ⓘ
low-frequency high-voltage transformer ⓘ |
| safetyRisk |
burn hazard
ⓘ
electric shock hazard ⓘ electromagnetic interference ⓘ fire hazard ⓘ |
| typicalCoreType | air core ⓘ |
| usesPrinciple |
coupled resonant circuits
ⓘ
electromagnetic induction ⓘ resonance ⓘ transformer action ⓘ |
| variant |
Tesla coil
self-linksurface differs
ⓘ
surface form:
dual-resonant solid-state Tesla coil
solid-state Tesla coil ⓘ spark-gap Tesla coil ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Tesla coil Description of subject: The Tesla coil is a high-voltage, high-frequency resonant transformer circuit invented by Nikola Tesla, famous for producing spectacular electrical discharges and demonstrating principles of wireless power transmission.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Nikola Tesla
this entity surface form:
dual-resonant solid-state Tesla coil