Radio nav 1st Lessson Flashcards
1
Q
Perpendicular to the wire (sideways)
A
Magnetic field (H)
2
Q
Parallel to the wire up & down
A
Electric field (E)
3
Q
Magnetic field & electric field are both propagating (spreading out) at
A
The speed of light
4
Q
Time =
Formula
A
1/frequency
5
Q
Wavelength =
Formula
A
Speed of light / frequency
6
Q
Kilo … 10 ^ ?
A
10^3
7
Q
Mega…10^?
A
10^6
8
Q
Giga…10^?
A
10^9
9
Q
Unit
A
=0
10
Q
Milli…10^?
A
10^-3
11
Q
Micro…10^?
A
10^-6
12
Q
Nano..?
A
10^-9
13
Q
Pico
A
10^-12
14
Q
Speed of light ?
In the x10^ ms^-1 sense
And the NMS^-1 sense
A
3x10^8 ms^-1
162,000 nms^-1
15
Q
Radio part of the electromagnetic spectrum has frequencies from
A
3 KHZ to 300GHz
