Most modern phones play a digital sound file through the speakers to produce sounds for ringtones, etc. Older telephones had an actual bell that rang using an electromagnet to pull a metal clapper to strike the bell.
All cell phones give off varying degrees of radiation.
mobile phones give off radio waves to special stations which are built especially to connect calls, as they used to have an operator this is what now is used instead of the operator at this modernised age.
Computers give off mostly heat, but also give off magnetism in the form of radio waves. Plus their displays give off light energy and the speakers give off sound waves. The fans inside create kinetic energy.
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Mobile phones give off electrical sparks when they ring which can ignite the vapors from gasoline being pumped. You should also touch a metal part of your car when you get out to discharge the static electricity so you don't spark.
An amplifier is a device used with instruments to raise the sound they give off. its like a speaker.
It depends on the phone. Not all phones have the ability to change the sound of the phone's alarm. On some phones one can record the sound of a dog barking, and then use that recording as the alarm.
Only during landing and takeoff. Cell phones interfere with their radio communication. The phones are really the problems but don't use any technology on landing or takeoff because the flight attendants will give you a dirty look and ask you to turn it off
yes u can on envirofones.com
becaues of the sound waves it give off by aj
Yes you do, this will help protect the knot and give off some sound.
Screen-To give off light. Speakers-To give off sound Remote control-To give off messages Remote Sensor-To sense the remote controls messages Cable-To pass through electricity to the television Plug-To receive electricity.