IIT_10. nedelja
Quiz
•
Information Technology (IT)
•
University
•
Practice Problem
•
Easy
Ana Basic
Used 6+ times
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22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od sledećih faktora utiče na dimenzije antena?
Tip materijala antene
Talasna dužina elektromagnetnih talasa
Sila koja se koristi za zračenje talasa
Polarizacija elektromagnetnih talasa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od sledećih tipova antena emituje ili prima talase iz svih pravaca u prostoru?
Usmerene antene
Parabolične antene
Neusmerene (omnidirekcionalne) antene
Reflektujuće antene
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja je funkcija dijagrama zračenja antene?
Pokazuje snagu signala na različitim frekvencijama
Prikazuje kako antena distribuira energiju u prostoru
Pokazuje tip materijala antene
Prikazuje maksimalni domet antene
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se nazivaju talasi koji se odbijaju od prepreka kao što su metalne mreže ili zidovi?
Refraktovani talasi
Reflektovani talasi
Difrakovani talasi
Propagirani talasi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji tip talasa ima sposobnost da zaobiđe prepreke poput zgrada ili planina?
Infracrveni talasi
Visokofrekventni talasi
Nižefrekventni talasi
Optički talasi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Šta se dešava sa infracrvenim talasima kada naiđu na ljudsko telo?
Infracrveni talasi se apsorbuju od strane tela.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja prepreka može smanjiti kvalitet radio talasa u bežičnim mrežama?
Oslanjanje na optičku vidljivost između uređaja.
Metalne mreže u zidovima i vlaga u ciglama.
Upotreba laserskog prenosa.
Razdaljina između antena.
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