Sources of EMFs >
Daily / annual variations
These graphs show the variation of magnetic field
in a typical house over a day and a year. Magnetic fields vary roughly
in the same way as demand for electricity does.
variation of magnetic field in a typical house over a day.
variation of magnetic field in a typical house over a year
Reminder: 1000 nanotesla (nT) = 1
microtesla (µT)
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