Fizika
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Medium
Advan najjace
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Šta je akustika?
Akustika je pojava vibracija i pojava nastanka zvuka
Akustika je grana fizike koja proučava zvuk i zvučne pojave
Akustika je mjerilo za jačinu zvuka
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Formula za računanje brzine zvuka je?
v=f*s*Λ
v=f / Λ
v=Λ*f
v=s / f
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula za računanje paralelne veze kondenzatora je Cp=C1+C2+C3
Da
Ne
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Definicija 1Ω(Ohm-a)
Snagu struje od 1Ω ima struja koja ima napon od 220V
1Ω je otpor provodnika kroz koji teče struja od 1A a napon od 220V
Otpor od 1Ω ima onaj provodnik kroz koji teče struja od 1A kad ima napon od 1V
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na ampermetru piše da je njegov vlastiti otpor 0,1Ω.Koliki je napon na krajevima ako je jačina 10A (U=I*R)
1V
1A
100V
10V
10A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ampmetar je...
...sprava za mjerenje napona u strujnom kolu
...sprava za mjerenje jačine struje u strujnom kolu
...sprava za mjerenje snage stuje u strujnom kolu
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kroz strujno kolo priključeno na napon od 220V protiče struja jačine 12,5A.Kolika je snaga?
2750A
2750W
17,6W
1500A
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