Snaga usisavača je 1500 W. Kolika će biti potrošnja električne energije za jedan sat?
Istosmjerne mreže

Quiz
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Physics
•
University
•
Medium
Vatroslav Bakša
Used 1+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2,4 J
0,42 W
1,5 kJ
1,5 kWh
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Snaga usisavača je 1500 W. Koliko ćemo platiti za jedan sat usisavanja?
1,8 centi
18 centi
1 euro i 80 centi
10 eura i 80 centi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koliko prikazana mreža ima čvorova i grana? Koliko nezavisnih kontura moramo odabrati kako bismo riješili mrežu sa slike ?
čvorova: 4
grana: 3
kontura: 3
čvorova: 4
grana: 6
kontura: 3
čvorova: 6
grana: 4
kontura: 3
čvorova: 6
grana: 3
kontura: 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odredite U1 ako je R1 = 2 Ω, R2 = 4 Ω i U = 12 V.
6 V
2 V
8 V
4 V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odredite I1 ako je R1 = 2 Ω, R2 = 4 Ω i I = 12 A.
4 A
2 A
8 A
6 A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odredite parametre ekvivalentnog strujnog realnog izvora, ako je E = 10 V, Ri = 2 Ω i Rt = 4 Ω. Koliki bi trebao biti otpor trošila da se na njemu razvija maksimalna snaga?
Ik = 5 A
Ri = 2 Ω
MAX. SNAGA: Rt = 2 Ω
Ik = 2,5 A
Ri = 4 Ω
MAX. SNAGA: Rt = 4 Ω
Ik = 2,5 A
Ri = 2 Ω
MAX. SNAGA: Rt = 2 Ω
Ik = 5 A
Ri = 4 Ω
MAX. SNAGA: Rt = 4 Ω
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je E1 = 12 V, E2 = 24 V, a svi otpori imaju iznos 2 Ω, kolika struja prolazi kroz otpornik R1?
6 A
2 A
4 A
12 A
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