Radio Waves Flashcards
1
Q
How are radio waves made?
A
By Oscillating Charges
2
Q
What are EM waves made up of?
A
Oscillating electric and magnetic fields
3
Q
Where is the energy transferred to in radio waves?
A
the electrons in the material of the receiver
4
Q
How long are the wavelengths of radio waves?
A
around 10cm
5
Q
How does Bluetooth use radio waves?
A
It uses radio waves to send data over short distances between devices without wires
6
Q
What can you use radio waves for?
A
Bluetooth, TV and FM Radio, Long-wave radio
