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Električni potencial in napetost

Authored by Daniel Bernad

Physics

KG

Used 3+ times

Električni potencial in napetost
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13 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Media Image

Ko dvigujemo klado je potencialna energija

pozitivna

negativna

ni energiji

ni dovolj podatkov

Answer explanation

Ker moramo pri tem premagati električno silo Fe, na poti s opravimo delo, ki je enako prejeti električni potencialni energiji. Če nato naboj spustimo, na njega deluje samo električna sila. Naboj se zato giblje v smeri sile vzdolž silnic, električna potencialna energija pa se mu manjša.

2.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Delo je enako

sila x hitrost

sila x pot

sili

moči

3.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Enačba za delo: A =

A = F

A = s

4.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

5.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Električni potencial označimo z:

U

I

R

V

6.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Električni potencial označimo z:

U

R

I

7.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Enota za električni potencial je

Ohm

Amper

Volt

mol

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