Opstart magnetisme
Authored by Anne-Louise Gjedde
Physics
8th - 11th Grade
Used 4+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hvilket grundstof er magnetisk?
Magnesium
Jern
Oxygen
Natrium
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hvilket grundstof er magnetisk?
Nitrogen
Clor
Nikkel
Hydrogen
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hvad kalder man fænomenet, hvor materialer magnetiseres permanent?
Ferromagnetisme
Kroniskmagnetisme
Magnetkonstant
Jernpermanent
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hvordan kan man gøre en jernstang magnetisk?
Ved at opvarme den.
Ved at slå den hårdt ned i bordet.
Ved at lægge den ned i en meget stærk syre.
Stryge den med en stangmagnet.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hvordan kan man gøre en jernstang magnetisk?
Ved at placere den ved en radioaktiv kilde.
Ved at vikle en ledning omkring den med strøm i.
Ved at smelte den, da atomerne da indordner sig.
Ved at lægge den ned i vand, som derved polarisere den.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hvordan kan man afmagnetisere en jernstang?
Ved at sætte strøm til den.
Ved at ligge den i fryseren.
Ved at varme den op.
Ved at lægge den ned i vand.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hvordan kan man afmagnetisere en jernstang?
Ved at slå den med noget hårdt eller tabe den.
Ved at lægge den i en meget stærk base.
Ved at klippe den over.
Ved at stryge den med en stangmagnet.
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