Magnetizam - formule Flashcards

1
Q

Fluks magnetnog polja

A

Ф= B . S = B S cosx

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2
Q

Sila kojom magnet deluje na strujni provodnik (Amperova sila)

A

F = I lxB

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3
Q

Lorencova sila

A

Fl = qvxB

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4
Q

Poluprečnik čestice u homogenom magn. polju

A

r = mv/qB

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5
Q

Perioda (kruga) čestice u homogenom magnetnom polju

A

T = 2Pim/qB

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6
Q

Holov napon

A

U = BI/ned

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7
Q

Masa jona (maseni spektrometar)

A

m = qBB’r/E

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8
Q

Brzina kojom čestica napušta ciklotron

A

v = qBr/m

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9
Q

Bio-Savarov zakon

A

B = mi0 I/2Pir

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10
Q

Intenzitet magnetne indukcije na osi simetrije prstenastog strujnog provodnikan

A

B = mi0/2 * Ia^2/ (a^2+b^2)^3/2

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11
Q

Intenzitet magnetne indukcije u solenoidu

A

B = mi0 NI/l

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12
Q

Magnetni moment

A

p = IS

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13
Q

Magnetna indukcija izražena preko magnetnog momenta

A

B = mi0p/2Pib^3

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14
Q

Jačina magnetnog polja

A

H = B/mi

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15
Q

Intenzitet sile kojom dva strujna provodnika deluju međusobno

A

F = mi0/2Pi * I1I2l/r

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16
Q

Laplasov zakon

A

..

17
Q

Indukcija magnetnog polja naelektrisanja koje se kreće

A

B = mi0/4Pi * (q v sinalfa/r^2)

18
Q

Sila kojom uzajamno deluju naelektrisanja koja se kreću?

A

F = q2v2B1 = (mi0/4Pi)(q1v1q2v2/r^2)