Energia electrică

Energia electrică

8th - 10th Grade

16 Qs

quiz-placeholder

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Energia electrică

Energia electrică

Assessment

Quiz

Physics, Science

8th - 10th Grade

Hard

Created by

Ion Mihaela

Used 5+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Să se afle puterea electrică a unui aparat electric alimentat la o tensiune de 220V prin care trece un curent cu intensitatea I=0,1 A.

2200

110

22

11

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este unitatea de măsură a PUTERII ELECTRICE?

V (volt)

W (watt)

J (joule)

A (amper)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este unitatea de măsură a ENERGIEI ELECTRICE?

W (watt)

V (volt)

J (joule)

A (amper)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este unitatea de măsură a INTENSITĂȚII curentului electric?

W

V

J

A

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este unitatea de măsură a TENSIUNII ELECTRICE?

W

J

V

A

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pentru un consumator (ex. bec) care este formula de calcul a PUTERII ELECTRICE?

P=U×I×tP=U\times I\times t

P=E×tP=E\times t

P=E×IP=E\times I

P=U×IP=U\times I

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pentru o SURSĂ DE CURENT (alternatorul de la bicicletă), care este formula de calcul a PUTERII ELECTRICE?

P=E×IP=E\times I

P=U×IP=U\times I

P=U×I×tP=U\times I\times t

P=E×tP=E\times t

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