
Quizz CA
Authored by Mateescu Yannis
Other
10th Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ce este curentul alternativ?
a) Un curent care curge doar într-un sens
b) Un curent care își schimbă periodic direcția
c) Un tip de lumină
d) O reacție chimică
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este unitatea de măsură pentru intensitatea curentului electric?
d) Joule
c) Ohm
b) Ampere
a) Volt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce reprezintă legea lui Ohm?
c) O teorie despre magnetism
d) O lege a termodinamicii
a) Relația dintre tensiune, curent și rezistență
b) O formulă pentru calcularea energiei electrice
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cine a fost cel mai cunoscut inventator asociat cu CA?
a) Thomas Edison
b) Michael Faraday
c) Nikola Tesla
d) Isaac Newton
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Forma undei curentului alternativ este:
a) Dreaptă
b) Parabolică
c) Sinusoidală
d) Triunghiulară
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce unitate se folosește pentru a măsura frecvența?
a) Amperi
b) Volți
c) Hercti
d) Ohmi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unde este folosit în principal curentul alternativ?
a) În circuite electronice de precizie
b) În aparate de laborator
c) În rețelele electrice naționale
d) În telecomunicații
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