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Basically Electromagnetic waves but less powerful than microwaves and visible rays.

Called radio waves their range of wavelengths are of the order of a few centi-metres to metres (atleast twice the length of ur receiver antenna)

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Wiki User

12y ago
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Wiki User

11y ago

Radio waves are energy. Electromagnetic energy to be exact. The amount of energy a radio wave has will depend on the amount of power the transmitter has, the amount of amplification, the quality of the cable connecting it to the antenna and finally the antenna. The amount of energy is usually measured in watts.

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Wiki User

15y ago

Some radios use less than 1 amp which a very small use of electricity.

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Wiki User

10y ago

The radio detects electromagnetic energy arriving at the antenna and amplifies it to produce sound energy from the loudspeaker, and it also absorbs energy from a power supply to do this.

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Wiki User

13y ago

em radiation

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Wiki User

10y ago

A radio creates sound waves and heat.

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Wiki User

10y ago

69

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Christopher Amoah

Lvl 2
3y ago

energy from fuels

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Anonymous

Lvl 1
3y ago

Radios emit Sound energy.

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Anonymous

Lvl 1
3y ago

Radios produce/emit Sound energy

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Q: What are the two forms of energy a radio uses?
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