prud, napatie, odpor, vodivost, ohm Flashcards

(23 cards)

1
Q

značka el, prúd

A

I

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2
Q

jednotka el. prúd

A

A (amper)

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3
Q

vzorec el. prúd

A

I = Q/t

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4
Q

zakresli kubickú mriežku

A

2 kocky

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5
Q

značka el. napatie

A

u

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6
Q

výpočet el. napatie

A

u = φ1– φ2

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7
Q

jednotka el. napatie

A

V (volt)

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8
Q

značka el. odpor

A

R

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9
Q

jednotka el. odpor

A

omega (OHM)

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10
Q

od čoho závisí el. odpor?

A

priamoúmerne od dĺžky vodiča I
nepriamoúmerne od prierezu vodiča S
od materiálu vodiča ρ (ró)

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11
Q

značka el. vodivosť

A

G

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12
Q

jednotka el. vodivosť

A

S (símens)

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13
Q

vodič

A
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14
Q

zdroj

A

—+I i—-

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15
Q

žiarovka

A

x (kruh)

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16
Q

spínač

17
Q

rezistor

18
Q

reostat

A

obdlznik s sipkou

19
Q

amperemeter

20
Q

voltmeter

21
Q

cievka

22
Q

kondenzator

23
Q

výpočet el. odpor

A

R = ró . I/S