la production d electricité Flashcards

1
Q

electroaimants

A

se comporte comme un aimant

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2
Q

phenonmene d inducuion

A

quand le courant circule dans les fils conducteurs placés dans un champs magentique(variable)

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3
Q

les deux decouvreur de l induction magnetique

A

maswell et faraday

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4
Q

pouriquoi est il possible de remplacer un aimant par un solenoide mobile

A

parce qu il produisent le meme champs magentique

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5
Q

partie fixe d un alternateur

A

alternator

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6
Q

partie mobile d un alternateur

A

rotor

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7
Q

quelle energie va dans l environement dans un alternateur

A

energie perdu

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8
Q

comment apel t on l energie recu par un alternateur

A

l enregie mecnique

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8
Q

comment apel t on l energie perdu

A

energie thermique

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9
Q

qu es ce que le rendement

A

c est energie utile / energie recu

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9
Q

comment apel t on l energie utile dans un alternateur

A

l energie electrique

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9
Q

comment apel t on l enrgie qui se dirige dans un reseau

A

energie utile

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9
Q

le rotor est consideé comme quoi

A

le rotor est consideré comme un aimant

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9
Q

comment apel t on l energie qui va dans l alternateur

A

m enrgie recu

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10
Q

de quoi le rotor est a l’orgine

A

il est a l origine d un reseau de l induction electromagentique

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11
Q

a quoi sont due les pertes

A

aux frottements a l effet joule