electricitate

electricitate

8th - 9th Grade

10 Qs

quiz-placeholder

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electricitate

electricitate

Assessment

Quiz

Physics

8th - 9th Grade

Practice Problem

Hard

Created by

dragostina radulescu

Used 186+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sarcina electrica este marimea fizica ce caracterizeaza starea de electrizare a corpurilor. Unitatea de masura a sarcinii electrice in S.I. este :

coulombul

volt

joule

watt

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Curentul electric se defineste ca fiind :

miscarea dezordonata a purtatorilor de sarcina electrica

deplasarea ordonata a purtatorilor de sarcina electrica

miscarea browniana

diferenta de potential electric de la capetele unui conductor

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ampermetrul legat in serie intr-un circuit electric masoara :

tensiunea electrica la capetele consumatorului

lucrul mecanic efectuat de fortele electrice pentru a deplasa purtatorii de sarcina electrica

intensitatea curentului electric ce strabate acel circuit

rezistenta electrica

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tensiunea electromotoare , notata cu E se masoara in :

volti

amperi

watt

ohm

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rezistenta electrica a unui rezistor , care se noteaza cu R se masoara in ;

joule

ohm

volt

watt

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Legea lui Ohm pentru o portiune de circuit se defineste prin urmatoarea expresie matematica:

I= U.R

R=U/I

I=U/R

R=U.I

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Energia electrica consumata in timpul functionarii de un consumator oarecare depinde de :

puterea lui electrica si timpul de functionare

tensiunea nominala aplicata la capetele lui

tensiunea electromotoare

produsul dintre U si I

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