vzorečky 4.zápočet Flashcards

(17 cards)

1
Q

práce elektronu (Ek)

A

W=Ek=QU=1/2mv^2

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2
Q

magnetická sila částice

A

Fm=QvBsin(alfa)

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3
Q

poloměr trajektorie částice

A

r=(mv)/(QB)

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4
Q

magnetická síla vodiče

A

Fm=IlBsin(alfa)

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5
Q

filtrovaci rychlost

A

vf=E/B

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6
Q

divnej vzorec na proud

A

I=Q/t=e/t=(ev)/(2pir)=(e^2odm(k/vm))/(2pir)

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7
Q

magnetický moment částice m

A

m=ZIS

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8
Q

moment sil

A

M=m×B=mBsin(alfa)

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9
Q

magnetická indukce u vodice

A

B=(nyI)/(2pia)

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10
Q

magnetická indukce smyčky

A

B=(nyI)/(2a)

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11
Q

magnetický indukční tok

A

fi=int(BdS)=BScos(alfa)

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12
Q

Faradayuv zakon

A

epsiloni=-(dfi)/(dt)=-Zd/dtint(BdS)

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13
Q

pohybující se vodič kolmo napětí

A

epsiloni=Blv

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14
Q

rotující vodič napětí

A

epsiloni=Bomega(l^2/2)

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15
Q

průměrné napětí

A

epsiloni=-S(deltaB/deltat)

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16
Q

tok samoindukce

17
Q

napětí samoindukce

A

epsiloni=-L(di(t)/dt)