Transmission media (AQA A-Level Physics): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
What are the 3 primary transmission media?
What are the 3 primary transmission media?
Metal wire, optical fibre, electromagnetic waves
At what distance does coaxial cable signal power halve?
At what distance does coaxial cable signal power halve?
m
At what distance does twisted pair signal power halve?
At what distance does twisted pair signal power halve?
m
What max frequency can coaxial cable handle?
What max frequency can coaxial cable handle?
Up to GHz
What max frequency can twisted pair handle?
What max frequency can twisted pair handle?
Up to MHz
How do optical fibres keep light in the core?
How do optical fibres keep light in the core?
Total internal reflection (TIR)
What is the frequency range for longwave EM?
What is the frequency range for longwave EM?
kHz - kHz
What is the frequency range for shortwave EM?
What is the frequency range for shortwave EM?
MHz - MHz
What is the frequency range for microwave EM?
What is the frequency range for microwave EM?
GHz - GHz
What is the orbital period of geostationary satellites?
What is the orbital period of geostationary satellites?
hours