Please help => The production and reception of radio waves (1 Viewer)

[jiakan]

Hi,

Can anyone give me any suggestions as to how to do an experiment to produce and receive radio waves in a school lab, without using radios or an experiment similar to that of Hertz's,

This is my first post, any help would be appreciated.

Thanks!
Jiro.

 

[2syllables]

well its really hard because i think u need a small transistor radio in order to do the experiment

 

[2syllables]

check out this website it might help:
http://www.sparkmuseum.com/BOOK_HERTZ.HTM

 

[helper]

Any spark is going to be a transmitter. A small crystal radio could act as a receiver.

Not sure how succesful the strength of the signal will be.

 

[2syllables]

Any spark is going to be a transmitter. A small crystal radio could act as a receiver.

Not sure how succesful the strength of the signal will be.

i dont think signal will be strong enough for transmission unless the distance of the transmitter and receiver is shorten alot

 

[helper]

i dont think signal will be strong enough for transmission unless the distance of the transmitter and receiver is shorten alot

That was my worry about the solution

 

[bboundy]

50Hz is within the radio spectrum right? Get a long peice of wire in a coil, attatch it to an AC ammeter and see if you can get energy from the wiring in whatever room you're in. Another cool one is to hold a flourescent light next to a powerful radio antenna and watch it light up. (Wait, cant do that, can you? bugger)

 

[jiakan]

It seemed that there existed no solution except for the involvement of the transisor radio. Thanks all for the help.

 

[dwatt]

Rub a file along a length of metal and watch the sparks fly.

Detect it with a small crystal radio (with a long loop of wire to resonate)

 

[Forbidden.]

If you used a 50Hz AC induction coil you will receive photons with a frequency of 50Hz which is in the AM radio band.

EMR are produced by moving electric charges.