Recent content by PanCerowany

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    High School Mobile 'Lights': Impact on Signal Strength?

    No answers?
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    High School Mobile 'Lights': Impact on Signal Strength?

    mobile "lights" I have seen some light making stickers sold that can be put on your mobile and they emit light when you talk. Am I right that they will lower my chances of getting connected when I am far from the antenna? I mean they must somehow make signal weaker, don;t they?
    • PanCerowany
    • Thread
    • Impact Lights Mobile Signal Strength
    • Replies: 2
    • Forum: Optics
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    Why Transformers Hum? | Unpaired Electrons & Magnetic Fields

    lol, www.electrical-riddles.com[/url] vs [PLAIN]www.electric-gibberish.info - obviosuly more sense in riddles than in gibberish :smile:
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    Why Transformers Hum? | Unpaired Electrons & Magnetic Fields

    OK, thanks.
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    Why Transformers Hum? | Unpaired Electrons & Magnetic Fields

    Why transformers hum? I have heard two versions. Oxygen has unpaired electrons and it reacts to changing magnetic field. Material that transformer is made of vibrates in changing magnetic field. Both explanations tell that something vibrates in a magnetic field, but what it is?