testas
Quiz
•
Science
•
Professional Development
•
Medium
Zymantas Bingelis
Used 6+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuri formulė yra teisinga, skaičiuojant atstumą tarp antenų?
d=3,57(√h1+√h2)
d=(√h1+√h2)
O=3(√h1+√h2)
d=3,57(√h1-√h2)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuo žymimas srovės stipris
I
A
V
W
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuo žymima įtampa?
V
Kw
A
J
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokia galios formulė?
P=I*U
I=P/U
P=I+U
U=P/I
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks būna jonasferos atstumas naktį?
260km
200km
160
120
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ką reikia daryti naktį dirbant su aukšto dažnio stotimi?
Didinti dažnį
Mažinti dažnį
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokį srovės stiprį atlaiko 1,5mm2 varinis prailginimo kabelis?
16A
21A
12A
15A
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