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Answer by Noldor130884 for Some questions about car radio and cellphone antennas
1 - The main reason is that your car RESEMBLES (not IS) a Faraday cage (even though, hey, we are talking about 10 meters - the smallest - wavelength here! The wave doesn't exactly "see" the car - it...
View ArticleAnswer by Martin Beckett for Some questions about car radio and cellphone...
1- FM radio waves are several meters long and so your car 'looks' like a solid metal box to them. 2- Cell phone radio waves are a few 10cm long and so the car looks like a box with large holes. In...
View ArticleAnswer by Manishearth for Some questions about car radio and cellphone antennas
(I'm not exactly sure of this, comments greatly appreciated)Radio waves have a longer wavelength (3-4 m) than cell phone waves(fractions of a meter). Thus these are easy to block. They can travel...
View ArticleAnswer by Florin Andrei for Some questions about car radio and cellphone...
You guessed right. Faraday.Then how come you can see anything outside when you're in the car? Light is also electromagnetic radiation, no? The answer is - the car as a "Faraday cage" works different at...
View ArticleSome questions about car radio and cellphone antennas
1-Why the antenna of the radio of cars is located outside the car and not inside?2-If the answer to 1 is because that cars are like Faraday cages then how come my cell phone can receive signal inside...
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