(1 bod) Koliki je induktivitet zavojnice ako njome teče struja od 12 A, a energija njenog magnetskog polja iznosi 120 mJ?

EM indukcija - zadaci

Quiz
•
Physics
•
10th Grade
•
Medium
Lucija Matkovic
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6 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
(1 bod) Koliki je induktivitet zavojnice duljine 0,8 m i površine poprječnog presjeka 0,0002 m2 koja ima 1250 namotaja?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
(3 boda) Kolikom brzinom se mora gibati vodič dug 0,2 m u Zemljinom magnetskom polju da bi se na krajevima vodiča inducirao napon kao u zavojnici s 500 namotaja u kojoj se magnetski tok promjeni za 0,15 Wb u 1 s?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
(2 boda) Zavojnica sa 100 namotaja i polumjera 10 cm nalazi se u homogenom magnetskom polju indukcije 0,03 T. Iznos magnetske indukcije smanji se na 0 T za 0,015 s. Odredite inducirani napon u zavojnici.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
(1 bod) Kolika je brzina promjene magnetskog toka ako se u zavojnici s 350 namotaja inducira napon od 1,5 V?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
(3 boda) Zavojnica kvadratnog oblika sa stranicom duljine 0,02 m ima 300 namotaja. Zavojnica je postavljena u okomito magnetsko polje indukcije 1,2 T. Zavojnica se brzo povuče iz magnetskog polja, a izvlačenje traje 0,15 s. Odredite promjenu magnetskog toka u zavojnici, te koliko iznosi inducirani napon u zavojnici.
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