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I have some basic electricity and radio quetions

nec209
in Other Sciences

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1 . is it true that some thing that turns on or off very fast or AC will make radio wave ?

 

2. modulation is way of putting information on the radio wave?

 

3. All things have a resonant frequencies ?

 

4. A resonant is some thing that vibrates when energy of certain frequency is applied to it.

 

5. A moving or changing magnetic field causes electric current.

 

Note I'm trying find other ways to transfer electricity or cause electric current.I know electric current has magnetic field and magnetic field causes electric current .

 

I also know there is strong relashionship of electricity and magnetism .

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