CA_3

CA_3

9th Grade

‱

10 Qs

quiz-placeholder

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CA_3

CA_3

Assessment

Quiz

‱

Physics

‱

9th Grade

‱

Practice Problem

‱

Easy

Created by

Alexandre Figueiredo

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins ‱ 1 pt

Se tiver uma frequĂȘncia de 50Hz, o perĂ­odo T Ă©:

0.02 s

0.02 m

0.5 s

0.0005 s

2.

MULTIPLE CHOICE QUESTION

5 mins ‱ 1 pt

Se tivermos um circuito puramente resistivo, com uma resistĂȘncia de 100 ohm e uma corrente de 10 A, a potĂȘncia Ă©:

1000 W

1000 V

250 W

5000W

3.

MULTIPLE CHOICE QUESTION

1 min ‱ 1 pt

O sĂ­mbolo da reatĂąncia indutiva Ă©:

XL

L

f

w

4.

MULTIPLE CHOICE QUESTION

30 sec ‱ 1 pt

O coeficiente de auto-indução representa-se por:

L

XL

f

w

5.

MULTIPLE CHOICE QUESTION

1 min ‱ 1 pt

A potencia ativa representa-se por :

P

S

Q

pt

6.

MULTIPLE CHOICE QUESTION

30 sec ‱ 1 pt

A unidade da potencia ativa Ă©:

W

VA

VAr

m

7.

MULTIPLE CHOICE QUESTION

1 min ‱ 1 pt

A potencia aparente representa-se por ..... e a sua unidade Ă©.....:

S e a unidade Ă© VA

S e a unidade Ă© W

P e a unidade Ă© VA

Q e a unidade Ă© VAr

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