Αποτελέσματα Αναζήτησης
You can get an idea for how a radio transmitter works by starting with a battery and a piece of wire. In How Electromagnets Work, you can see that a battery sends electricity (a stream of electrons) through a wire if you connect the wire between the two terminals of the battery.
This Youth Radio Toolkit will help refresh your radio knowledge. We will help you produce your own radio show, from start to finish. We’ll begin with choosing a topic, researching, recording and wrapping up with learning how to get your show out there in the community.
you’ll make your own radio wave powered crystal radio set. You’ll learn a lot about how your radio works and the special materials that you’ll use to make it go.
A receiver that picks up waves that carry sound is called a radio. A radio sends the electric signal through speakers so the sound can be heard. Each radio station sends out radio waves of a certain frequency. A person changes a radio from one frequency to another to hear different stations.
6 Αυγ 2014 · Have you ever looked at a radio and wondered how it is able to create the sound from what seems like nothing? With this video you can finally learn the scien...
20 Μαΐ 2022 · How does a digital radio work? Switch on your digital radio and it... Collects fragments of radio signals flying through the air. Sorts through and reassembles the fragments in order to make a complete radio signal—and thus the program you want to hear. Test a digital radio
Millions of radio waves--carrying sound wave signals and digital signals--reach your receiver every second. The receiver's tuner picks out a specific signal. Its amplifier strengthens that signal. A demodulator separates the signal from the carrier wave.
