Induced static magnetic field by a cellular phone

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Recent claims regarding the safety of cellular phones suggest that weak static magnetic fields are induced around the phone, and this field and its gradients may pose a health risk to the user. An experiment was conducted to measure the induced static magnetic field around a cellular phone. 65 T variations and 18 T/cm gradients were measured in the magnetic field at 6 cm from the phone. An analytical model is derived to explain the results. The influence that the measured magnetic fields may have on the user is beyond the scope of this research.

Original languageEnglish
Article number093503
JournalApplied Physics Letters
Issue number9
StatePublished - 29 Aug 2011


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