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Fizika > Elektros Srove > Flashcards

Elektros Srove Flashcards

1
Q

Elektros srove

A

Kryptingas elektringuju daleleiu judejimas. Elektros sroves kryptis laikoma is + i -

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2
Q

Elektros sroves kryptis

A

Tai fizikinis dydis parodantis, kokio dydzio elektros kruvis laidininke pernesama per 1 s.

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3
Q

Ampermetras

A

Matuoja elektros sroves stipri

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4
Q

I zymima

A

Elektros sroves stipris A(amperais) (C/s)

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5
Q

T zymimas

A

Laikas (s)

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6
Q

q zymimas

A

Elektros kruvis C(kulonais)

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7
Q

Elektros kruvio radimo formule

A

q=n•e

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8
Q

n zymimas

A

Elektronu skaicius

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9
Q

e zymimas

A

Elementarusis skaicius 1,602 × 10‐¹⁹C

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10
Q

Elektrine itampa

A

Tai fizikinis dydis parodantis, koki darba atliko elektrinio lauko jegos perkeldamos 1C kulonos kruvio

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11
Q

Kas matuojama voltometru

A

Itampa, jungiamas lygegriaciai

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12
Q

U zymima

A

Itampa V(voltais)

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13
Q

A

A

Darbas, J

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14
Q

Varza

A

Tai laidininko savybe priesintis elektros tekejimui. Laidininko varza priklauso nuo medziagos, kaido ilgio ir storio

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15
Q

Ommetras

A

Varzos matavimo vienetas

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16
Q

R

A

Varža (kazkokia idomi U)

17
Q

Varza matuojama

A

Omais

18
Q

p

A

Savitojo varza

19
Q

l

A

Laidininko ilgis, m

20
Q

S

A

Plotas mm

21
Q

Omo desnis

A

I=u
—
R

22
Q

Ka matuoja omo desnis

A

Varza

23
Q

Kaip apskaiciuoti itampa

A

U = A÷q

24
Q

Kada yra varza

A

Atomai trugdo judeti elektronams

25
Q

Kaip apskaiciuoti sroves stirpi

A

I=q:t

26
Q

F zymima

A

Jega

27
Q

E zymimas

A

Elektros laukas

28
Q

elektrono kruvis

A

1,6•10-¹⁹C

29
Q

Ommetras

A

Matuoja elektros varza

30
Q

Reostatas

A

Keiciama varza ir tokiu budu reguliuoja sroves stipri

Fizika (14 decks)

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