Elektros sroves darbas ir galia Flashcards

1
Q

A

A

Darbas
Matuojamas: J(džiauliais), Ws, kWh

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2
Q

Norint pasiversti matavimo vieneta i kWh reikia

A

Padalinti is 3,6mln, t.y. 3,6 • 10⁶

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3
Q

I

A

Elektros sroves stipris
Matuojamas: A

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4
Q

U

A

Itampa
Matuojama: V

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5
Q

t

A

Laikas
Matuojamas: s

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6
Q

R

A

Varža
Matuojama: aversta V

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7
Q

P

A

Galia
Matuojama: W

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8
Q

Kaip galima apskaiciuoti P

A

P=U² : R
P = U • I
P = I² • R
P = A:t

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9
Q

Kao galima apskaiciuoti A

A

A = P • t
A = U • I • t

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