Sroves Stipris, Itampa, Varza Flashcards

1
Q

Su kuo lyginiamas elektros sroves tekejimas

A

Su vandens tekejimu upese

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2
Q

Kaip zymimas el sroves tekejimas

A

(I) A amperas

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3
Q

Kaip zymimas el kruvis

A

(Q) c - kulonas

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4
Q

Elektros sroves formule

A

I= q/t

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5
Q

Kaip apskaiciuojamas el kruvis

A

Q=Ne

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6
Q

Su kuo matuojamas sroves stipris

A

Amperimetras

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7
Q

Isvestines formules el sroves

A

I=q/t; q=it; t=q/i

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8
Q

Elektros sroves atsiradimo priezastis

A

Elektrine itampa

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9
Q

Elektros sroves atsiradimo priezastis. Analogijos:

A

A) kalnas, pakalne - upe
B) ITEMTAS LENTAS - LEKLEJANTI SROVE

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10
Q

Elektros itampos zymejimas

A

(U) V(voltas)

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11
Q

Elektros itampos formule

A

U=A/q

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12
Q

Kas yra A(J)

A

Eletros sroves darbas

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13
Q

Itampos matavimo prietaisas

A

Voltmetras

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14
Q

Kas yra elektrine varza

A

Sroves tekejimo trukdys

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15
Q

Kas sukuria el varza metaluose

A

Teigiami jonai

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16
Q

Elektrines varzos zymejimai, vienetai

A

(R) grybas

17
Q

Prietaisas el varzos

A

Ommetras

18
Q

Elektrine varza priklauso nuo

A

A) Rpriklauso (l)m (laidininko ilgis)
B) r priklauso (S) mm2 (skerso pjuvio plotas)
C) r priklauso grybasmm2/m (laidininko savitoji varza)

19
Q

Elektrines varzos formule

A

R= rol/S

20
Q

Isvestines formules

A

R= rS/L
L=Rs/ro
S=rol/R

21
Q

Omo desnis isorinei grandinei:

A

I=u/r

22
Q

Omo desnis visai grandinei

A

I= e/r=e

23
Q

Sroves stiprio preiklausomybes nuo itampos grafikas pavadintas

A

Voltametrine charakteristika