Napon potreban za pokretanje motorića je 5,5 V. Koji je odnos ulaznog u odnosu na izlazni broj navoja na transformatoru, ako je napon koji stoji na raspolaganju 220 V?

Pismena 4 MZ

Quiz
•
Physics
•
12th Grade
•
Easy
Muhamed Duhandzic
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
40
0,025
1210
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odnos ulaznog u odnosu na izlazni napon na transformatoru je 0,8. Koliki je odnos tih struja?
1,25
0,8
8
0,64
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Kolika je efektivna struja koja protiče kroz RLC kolo pri maksimalnom naponu od 311 V frekvencije 50 Hz? Otpor kola je 5000 oma, kapacitet kondenzatora je 2 x 10-4 farada, a induktivitet zavojnice 10 henrija. Upisati rezultat u osnovnim jedinicama sa 3 mjesta iza zareza (upisati samo broj: bez jedinica).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Broj tranzistora potrebnih za rezoluciju na displeju u boji od 40 MP je:
1,2 x 108
40.000.000
4 x 108
4 x 107
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Električno polje na dužini od 10 cm u katodnoj cijevi pri naponu od 1 kV je:
104 V/m
100 V/m
0,1 V/m
dva
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Radijus zakrivljenosti konveksnog ogledala je 2 m. Kolika je fokalna (žižna) dužina? Upisati rezultat u osnovnim jedinicama (samo broj)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Intenzitet uvećanja slike koja se nalazi na istoj udaljenosti od ogledala kao i predmet je:
1
-1
0
-0
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