Žaruljom pri naponu od 230 V prolazi struja 105 mA. Koliki je otpor žarne niti?
Električna struja 2. dio Z - Fran ispravak

Quiz
•
Physics
•
8th Grade
•
Easy
David Bakoška
Used 4+ times
FREE Resource
5 questions
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1.
OPEN ENDED QUESTION
10 mins • 1 pt
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2.
OPEN ENDED QUESTION
10 mins • 1 pt
Električni grijač otpora 6 kΩ spojen na gradsku mrežu. Izračunajte struju koja prolazi kroz grijač te snagu grijača.
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3.
OPEN ENDED QUESTION
10 mins • 1 pt
Žaruljicu spojimo na bateriju napona 4.5 V.
a) Ako je ukupan naboj elektrona 1 C, odredi rad.
b) Koliki naboj prođe žaruljicom u 6 minuta ako kroz žaruljicu teče struja od 0.3 A?
c) Kolika je snaga žaruljice?
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4.
OPEN ENDED QUESTION
10 mins • 1 pt
Dva otpornika od 2 Ω spojena su serijski na izvor napona 6 V. Kolika je struja koja teče kroz svaki otpornik? Koliki je napon na svakom trošilu?
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5.
OPEN ENDED QUESTION
10 mins • 1 pt
Tri jednaka otpornika otpora 6 Ω spojena su paralelno u strujni krug.
a) Nacrtaj shemu strujnog kruga.
b) Izračunaj ukupan otpor strujnog kruga.
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