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What form of energy did wireless radios use in 1940?
In 1940, wireless radios predominantly used electrical energy for operation. This electrical energy was typically sourced from power outlets in homes or from batteries for portable radios.
What device was chemical energy in portable radios to produce sounds?
Chemical energy in portable radios is typically stored in batteries. The batteries provide the electrical energy needed to power the radio's circuits, including the components that generate sound such as the speaker or headphones.
Why do clockwork radios have to be wound up?
Clockwork radios have to be wound up because they use mechanical energy stored in a spring to power the radio's functions, rather than relying on electricity or batteries. Winding the spring builds up potential energy that is released slowly as the spring unwinds, providing power for the radio to operate.
What are the sources of energy for tv?
The energy for the TV comes from the electrical connection it makes to the mains. Some radios (called crystal radios) can operate using only the energy in the broadcast signal, but all TVs must be connected to a power source, usuallly the mains.
Which of following describe(s) a way in which radio waves can carry energy?
Radio waves carry energy through the oscillation of electric and magnetic fields in the form of electromagnetic radiation. This energy can be detected and converted into electrical signals by antennas, for example in radios or wifi routers.
What form of energy did wireless radios use in 1940?
In 1940, wireless radios predominantly used electrical energy for operation. This electrical energy was typically sourced from power outlets in homes or from batteries for portable radios.
What kind of energy do a radio use?
Radios use eletrical energy
Do radios need signal?
no
Does the world need a radios?
YES the world needs radios! Where else are we suposed to get our entertainment from??????????????
What can store energy?
batteries,wind up radios e.t.c
Is a radio and example of radiant energy?
Yes. Radios use radio waves which are radiant energy.
Is it possible to transfer electrical energy in waves?
Yes. This is how radios work.
Why don't Crystal Radios need a power source?
Crystal Radios don't need a power source because, the crystal runs on the radio waves it receives.
What radios will fit in an eclipse?
Basically any single and double bin radios. You will need to buy a special adapter though.
What type of batteries do portable radios take?
From my experience, most portable radios take either quite a few AA's, or a few 9V's. Also you can get radios that need C and D batteries.
What can wind energy power?
wind energy can power heaters tv's, radios, computers, phones,fridges, and even ovens
What device was chemical energy in portable radios to produce sounds?
Chemical energy in portable radios is typically stored in batteries. The batteries provide the electrical energy needed to power the radio's circuits, including the components that generate sound such as the speaker or headphones.
