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Test fizică clasa a VIII-a - Electrocinetica

Authored by Giurgea Gabriela

Physics

8th Grade

Used 95+ times

Test fizică clasa a VIII-a  - Electrocinetica
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Unitatea de măsură a intensității curentului electric este:

volt

amper

coulomb

joule

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rezistența electrică are unitatea de măsură:

amper

ohm

volt

joule

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Rezistența electrică a unui conductor depinde de:

lungimea conductorului

temperatura

aria secțiunii

materialul din care e confecționat

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expresia legii lui Ohm pe intreg circuitul este:

I = U/R

I = E/R+r

I = q/t

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

T.e.m. se notează cu:

U

u

E

V

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expresia rezistenței electrice este:

R = U/I

R = I/U

R = I*U

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Voltul este:

J/s

J/C

J/A

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