Ampereova sila Flashcards

1
Q

što je Amperova sila

A

magnetska sila na vodič kojim prolazi el. struja

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2
Q

promatramo homogeno magnetsko polje

A
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3
Q

koja je oznaka A.sile

A

FA

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4
Q

o čemu ovisi A. sila

A

-o magnetskoj indukciji, B
-o el.struji, I
-o duljini vodiča u mag. polju, l
-o veličini kuta između smjeru struje i mag. polje, alfa

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5
Q

formula

A

FA = B I l sinalfa

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6
Q

vodič kojim prolazi struja postavljen je paralelno magnetskim silnicama
okomito

A
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7
Q

kada je A.sila najveća

A

kada je vodič kojim prolazi struja postavljen okomito na mag. silnice

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8
Q

kako određujemo smjer A.sile

A

pravilom desne ruke

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9
Q

tehnički smjer struje

A

od + prema -

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10
Q

primjer

A
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