Curentul electric

Curentul electric

8th Grade

8 Qs

quiz-placeholder

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Curentul electric

Curentul electric

Assessment

Quiz

Others

8th Grade

Practice Problem

Easy

Created by

Daniela Pîrvu

Used 1+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rezistența electrică a unui conductor este dată de relația:

R=U/l

R=I/U

R=UI

R=E/I

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Relația matematică prin care se definește intensitatea curentului electric:

I=qt

I=q/t

I=U/R

I=t/q

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Legea lui Ohm pentru o porțiune de circuit are expresia matematică:

I=R/U

I=U/R

I=RU

I=q/t

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Unitatea de măsură pentru intensitatea curentului electric este:

V

A

W

K

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tensiunea electrică se măsoară cu:

ampermetrul

ohmmetrul

voltmetrul

contorul electric

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Este conductor electric:

Cauciucul

Plasticul

Lemnul

Aluminiul

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Pe un radiator sunt înscrise valorile nominale:tensiune 220V și rezistența 22Ω .Intensitatea curentului electric ce trece prin radiator are valoarea:

11A

0,1A

10A

20A

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