Why is it that radios and TVs get better reception when someone is touching the antenna? You can put any object that isn't metal to an antenna but only when a person is touching the antenna will the radio/TV get better reception.
2007-02-05 12:42:25 · 3 answers · asked by Anonymous in Consumer Electronics ➔ Other - Electronics
Because the human body acts like an antenna. While your body is indeed not metallic, you are still electrically conductive, which is why you can get electric shocks. If our bodies were perfect insulators, we would never get shocked! Now the human body doesn't make an excellent antenna because it is not nearly as good of a conductor as metal, but sometimes the position you are in combined with the electrical length of your body being resonant at the desired frequency can cause your reception to be improved. Sometimes just standing close to an antenna will improve reception as you become a parasitic element to the antenna, or a reflector. However, if a proper antenna is used resonant at the desired frequency and correctly positioned, it should always outperform using the human body alone as an antenna.
2007-02-06 06:58:43 · answer #1 · answered by Geoff S 6 · 0⤊ 0⤋
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2016-11-25 19:10:14 · answer #2 · answered by ? 4 · 0⤊ 0⤋
The current goes through you and makes you an antenna.
2007-02-11 07:11:49 · answer #3 · answered by Know It All 3 · 0⤊ 0⤋