Magnétisme et électromagnétisme Flashcards

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1
Q

ensemble de phénomène provoqués par les champs magnétiques

A

magnétisme

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2
Q

region de l’espace dand laquelle la force magnétique d’un aimant agit

A

champs magnétique

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3
Q

éloignent du pôle quoi?

A

NORD

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4
Q

approche du pôle ?

A

SUD

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5
Q

Terre

A

pôle sud magnétique = pôle nord géographique

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6
Q

influence intensité du champs magnétique ?

A

-intensité du courant
-nature du matériau

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7
Q

substanceles matériaux qui ont la possibilité de devenir des aimants permanents

A

matéria ferromagnétique

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8
Q

ferromagnétique?

A

-fer, nickel, colbalt

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9
Q

solonoide, fils, courant, source

A

solonoide

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10
Q

solonoide, fils, courant, source et ferromagnétique

A

électroaimant

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11
Q

facon d’augmenter intensité du champs magnétique d’un électroaimant

A

-intensité du courant
-nombre de boucles
- noyau à faible rémanence magnétique (fer doux)

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12
Q

capacité acquérir et conserver propriété magnétique

A

rémanence magnétique

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