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Randamentul electric fizica a 8 a

Authored by URSESCU DAVID

Physics

8th Grade

Used 1+ times

Randamentul electric fizica a 8 a
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 4 pts

Ce este randamentul electric?

este raportul dintre energia utila si energia consumata

raportul dintre energia consumata

raportul dintre energia consumata

nu ma intereseaza

2.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Ce simbol are?

eta

n

n(eta)

J

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Ce formula are randamentul electric?

n=W consumata/W utila

n= R/R+r

il intreb pe Gabi

n eta/J

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Ecuatia unitatii de masura?

t

kg

Joule

procente

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Ultima intrebare.......

bn

ok

k

hai.........

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

% Ce sunt astea?

stiu,e masa

nu mai stiu

procente

2 cercuri si cam atat

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