
Električni potencial in napetost
Authored by Daniel Bernad
Physics
KG
Used 3+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
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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