Un corp electrizat pozitiv atrage:
Electrizarea corpurilor.Sarcina electrica

Quiz
•
Physics
•
7th Grade
•
Medium

Carmen Filip
Used 179+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Corpurile magnetizate
Corpurile electrizate pozitiv
Corpurile electrizate negativ
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Marimea fizica ce exprima starea de electrizare a unui corp se numeste:
sarcina electrica
curent electric
descarcare electrica
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Daca atingem o bagheta electrizata pozitiv de sfera unui electroscop,foitele acestuia se electrizeaza:
ambele pozitiv
ambele negativ
una pozitiv,cealalta negativ
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sarcina electrica a unui corp poate lua:
orice valoare
numai valori pozitive
numai multipli intregi ai sarcinii elementare
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un corp electrizat pozitiv:
are deficit de electroni
are surplus de electroni
nu are electroni
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Daca distanta dintre doua corpuri punctiforme electrizate se dubleaza forta electrostatica dintre ele :
se dubleaza
se micsoreaza de doua ori
se micsoreaza de patru ori
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Doua bile metalice identice cu sarcini de aceeasi valoare dar de semn contrar sunt puse in contact.Dupa indepartarea lor acestea:
sunt neutre
sunt electrizate cu sarcini identice cu cele avute inainte de contact
sunt electrizate cu sarcini duble fata de cele avute inainte de contact
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In ce stare se afla un corp electrizat pozitiv plasat in centrul unui patrat in varfurile caruia se afla corpuri electrizate cu aceeasi sarcina electrica:
de miscare rectilinie
de miscare curbilinie
de repaus
9.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Care este forta de interactiune electrostatica dintre un electron si un proton aflati in vid la distanta de 1fm:
80N
90N
100N
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