Elektřina Flashcards

1
Q

Velikost element. Náboje

A

1,602*10^-19

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2
Q

Elektrický proud

A

I= Q/t

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3
Q

Elektrická síla/Couloˇbův zákon

A

F= k*Q1Q2/r^2

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4
Q

Konstanta úměrnosti

A

k= 1/4pí303r

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5
Q

Permitivita

A

3=30*3r

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6
Q

Intenzita elektrického pole

A

E= F*Q

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7
Q

Potenciál elektrického pole

A

Fí=Ep/Q

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8
Q

Napětí

A

U = fí2- fí1
U=E*d

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9
Q

Práce v elek poli

A

W = U*Q

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10
Q

Plošná hustota náboje

A

Sigma = Q/S
Sigma= E* permitivita vakua

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11
Q

Kapacita

A

C = Q/U

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