magneticke pole, elektromagnet Flashcards

1
Q

kde sa nachadza magneticke pole

A

v okoli pohybujucich el. nabojov

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2
Q

ake su zdroje magnetickeho pola

A

docasny magnet - elektromagnet (cievka - vodic prudu)
trvaly magnet - neodym (tycovy, podkovovy)

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3
Q

ako znazornujeme magneticke pole

A

magnetickymi silociarami

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4
Q

ako opiseme elektromagnet

A

magneticke pole tvorene prechodom prudu vodicom - pohyb volnych nosicov naboja v el. obvode

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5
Q

aky je vodic prudu v el. mag.

A

docasny magnet - prerusenim prudu zanikne

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6
Q

vysvetli pojmy N a S pri magnetoch

A

poly magnetu - miesta najsilnejsich ucinkov pola

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7
Q

vysvetli pojmy O a NO pri magnetoch

A

O - os magnetu - spaja uprostred mag. poly
NO - neutralna os - miesto nulovych ucinkov mag. pola

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