Kas yra metaluose krūvininkai?
9. KD. ELEKTROS SROVĖ TERPĖSE

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Physics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Metaluose krūvininkai yra laisvieji elektronai.
2.
FLASHCARD QUESTION
Front
Kaip teka elektros srovė elektros grandinėje?
Back
Srovė teka nuo teigiamojo šaltinio poliaus neigiamojo poliaus link.
3.
FLASHCARD QUESTION
Front
Kiek valentinių elektronų turi fosforas (P)?
Back
Fosforas (P) turi 5 valentinius elektronus.
4.
FLASHCARD QUESTION
Front
Koks puslaidininkis turi 4 valentinius elektronus?
Back
Silicis (Si) yra puslaidininkis, turintis 4 valentinius elektronus.
5.
FLASHCARD QUESTION
Front
Kodėl distiliuotu vandeniu elektros srovė neteka?
Back
Distiliuotu vandeniu elektros srovė neteka, nes jame nėra laisvųjų jonų.
6.
FLASHCARD QUESTION
Front
Ką sukelia NaCl tirpstant vandenyje?
Back
NaCl tirpstant vandenyje skyla į Na+ ir Cl- jonus, kurie yra puikūs elektrolitai.
7.
FLASHCARD QUESTION
Front
Kas yra krūvininkai puslaidininkiuose?
Back
Krūvininkai puslaidininkiuose yra elektronai ir skylės.
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