
CA_3
Quiz
âą
Physics
âą
9th Grade
âą
Practice Problem
âą
Easy
Alexandre Figueiredo
Used 1+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins âą 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 âą 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 âą 1 pt
O sĂmbolo da reatĂąncia indutiva Ă©:
XL
L
f
w
4.
MULTIPLE CHOICE QUESTION
30 sec âą 1 pt
O coeficiente de auto-indução representa-se por:
L
XL
f
w
5.
MULTIPLE CHOICE QUESTION
1 min âą 1 pt
A potencia ativa representa-se por :
P
S
Q
pt
6.
MULTIPLE CHOICE QUESTION
30 sec âą 1 pt
A unidade da potencia ativa Ă©:
W
VA
VAr
m
7.
MULTIPLE CHOICE QUESTION
1 min âą 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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