9928038
Beschreibung
Quiz von Tracy Rains, aktualisiert more than 1 year ago
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Erstellt von Tracy Rains
vor fast 7 Jahre
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Frage 1
Frage
What is an electromagnet?
Antworten
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A magnet created by the flow of electricity through metal.
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A magnet made out of long wires
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An electrical circuit that is built with a magnet as the conductor.
Frage 2
Frage
An electromagnet can be switched on and off.
Antworten
- True
- False
Frage 3
Frage
[blank_start]Solenoids[blank_end] are powerful electromagnets made from wire being wrapped around a nail and connected to a battery.
Antworten
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Solenoids
Frage 4
Frage
What three things is an electromagnet made with?
Antworten
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Magnet, light bulb, wire
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Magnet, wire, switch
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Wire, nail, battery
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Wire, battery, light bulb
Frage 5
Frage
Electromagnets can be found in doorbells.
Antworten
- True
- False
Frage 6
Frage
The difference between a magnet and an electromagnet is that you can increase or decrease the power of the electromagnet by [blank_start]controlling[blank_end] the [blank_start]supply[blank_end] of electricity.
Antworten
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controlling
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supply
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