Dvije metalne kugle jednakih dimenzija električki su nabijene. Kugla A ima naboj +2 e, a kugla B naboj -4 e. Kugle dovedemo u međusobni kontakt. Pri tome će kugla A:
ELEKTROSTATIKA

Quiz
•
Physics
•
10th Grade
•
Hard
Marina Trstenjak Petran
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
dobiti 3 protona
izgubiti 3 protona
dobiti 3 elektrona
izgubiti 3 elektrona
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Spravu kojom utvrđujemo naelektriziranost tijela nazivamo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Električni potencijal je fizikalna veličina koja govori o tome ...
kolikom silom probni naboj djeluje na izvor el. polja
kolika sila djeluje na probni naboj u nekoj točki el. polja
koliku potencijalnu energiju ima probni naboj u nekoj točki el. polja
koliku kinetičku energiju ima probni naboj u nekoj točki el. polja
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na slici su prikazane silnice električnoga polja.
Koji odnos vrijedi za iznose električnoga polja u označenim točkama 1, 2 i 3?
E3>E2>E1
E2>E1>E3
E1>E3>E2
E3>E1>E2
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Koliko vrta naboja postoji? (Napiši brojkom)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što se događa ako plastičnom štapu približimo drugi plastični štap?
privlače se
odbijaju se
ništa od navedenog
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dvije jednake metalne kugle prikazane na slici vise na nitima od izolatora. Obje kugle su početno električki neutralne. Kugla M nabije se pozitivnim nabojem od 8 nC i zatim se dotakne kuglom N.
Koliko će nakon toga iznositi naboj na kugli N?
-8 nC
-4 nC
+4 nC
+8 nC
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